open up

o·pen

O0088300 (ō′pən)adj.1. a. Affording unobstructed entrance and exit; not shut or closed.b. Affording unobstructed passage or view: open waters; the open countryside.2. a. Having no protecting or concealing cover: an open wound; an open sports car.b. Completely obvious; blatant: open disregard of the law.c. Carried on in full view of others; not hidden or private: open warfare; open family strife.d. Sports Not defended or not closely defended by an opponent: an open goal; an open receiver.3. a. Not sealed or tied: an open envelope.b. Spread out; unfolded: an open book.4. Having interspersed gaps, spaces, or intervals: open ranks; an open weave.5. a. Accessible to all; unrestricted as to participants: an open competition.b. Free from limitations, boundaries, or restrictions: open registration.c. Enterable by registered voters regardless of political affiliation: an open primary.d. Computers Of or relating to a file that can be accessed.6. a. Lacking effective regulation: an open town in which gambling predominated.b. Not legally repressed: open drug trafficking.7. a. Susceptible; vulnerable: open to interpretation; an issue that is open to question.b. Willing to consider or deal with something: open to suggestions.8. a. Available; obtainable: The job is still open.b. Available for use: an open account; the only course open to us.9. Ready to transact business: The store is open.10. Not engaged or filled: has an open hour for emergency cases.11. Not yet decided; subject to further thought: an open question.12. a. Characterized by lack of secrecy or reserve; candid: Please be open with me. See Synonyms at frank¹.b. Free of prejudice; receptive to new ideas and arguments: She listened to the proposal with an open mind.c. Generous: He is very open with his time.13. Printing a. Widely spaced or leaded. Used of typeset or other printed matter.b. Having constituent elements separated by a space in writing or printing: The word sea lion is an open compound.14. Music a. Not stopped by a finger. Used of a string or hole of an instrument.b. Produced by an unstopped string or hole or without the use of slides, valves, or keys: an open note on a trumpet.c. Played without a mute: an open wind instrument.15. Linguistics a. Articulated with the tongue in a low position, as the vowel in far.b. Ending in a vowel or diphthong: an open syllable.16. Designating a method of punctuation in which commas and other marks are used sparingly.17. Being in operation; live: an open microphone.18. New England Clear. Used of weather. fair¹19. Electricity Containing a gap across which electricity cannot pass: an open circuit.20. Mathematics a. Of or relating to an interval containing neither of its endpoints.b. Of or being a set such that at least one neighborhood of every point in the set is within the set.c. Of or being a set that is the complement of a closed set.21. Sports a. Having the forward foot farther from the intended point of impact with the ball than the rear foot: an open batting stance.b. Held or swung with the top or outer edge of the striking face pointing slightly farther away from the objective than the lower or inner edge: The club struck the ball with an open face, causing a slice.22. Physics a. Of or relating to an open system.b. Of or relating to an open universe.v. o·pened, o·pen·ing, o·pens v.tr.1. a. To make no longer closed or fastened: open a window.b. To remove obstructions from; clear: open a drain.2. a. To make or force an opening in: The surgeon opened the patient's chest.b. To make (a hole or gap) in something: opened a hole in the levee.c. To form spaces or gaps between: soldiers opening ranks.d. To break the continuity of; make a gap in: open a circuit.3. a. To remove the cover, cork, or lid from: open a jar.b. To remove the wrapping from: open a package.4. a. To move apart or unfold so that the inner parts are displayed; spread out: open a newspaper; open a book.b. To part the lids or lips of: Open your eyes. Open your mouth.5. a. To begin or form the start of; initiate: The scene that opens the novel.b. To begin the operation of: open a new business.c. To begin (the action in a game of cards) by making the first bid, placing the first bet, or playing the first lead.6. To make available for use: opened the area to commercial development; opened the computer file and retrieved some data.7. To make more responsive, understanding, or generous: a question that opened his mind to a different way of looking at the problem.8. To make known to the public: opened the formerly classified files to reporters.9. Sports To modify (one's stance), as in baseball or golf, so that it is open.10. a. To perform as the first act of (a concert, for example): An up-and-coming rock group opened the music festival.b. To perform prior to the main act of (a concert, for example): Two different bands opened the concert on Friday night.v.intr.1. To become no longer closed or fastened: The door opened slowly.2. To draw apart; separate: The wound opened under pressure.3. To spread apart; unfold: The tulips opened.4. To come into view; become revealed: The plain opened before us.5. To become responsive, understanding, or generous: His heart finally opened, and he understood her disappointment.6. a. To be or serve as a beginning; commence: The meeting opened with a call to order.b. To give an initial statement in a trial.c. To begin business or operation: The store opens early on Saturday.d. To be performed, shown, or made available to the public for the first time: The play opens next week.e. To be priced or listed at a specified amount when trading begins: Shares opened high and fell sharply.f. To make a bid, bet, or lead in starting a game of cards.7. To give access: The room opens onto a terrace.8. a. To perform as the first act of a multi-act performance: The singer was nervous to open for so many talented musicians.b. To perform prior to the main act of a multi-act performance: The young comedians were thrilled to open for such a well-known standup comic.n.1. An unobstructed area of land or water: sailed out of the harbor into the open.2. The outdoors: camping in the open.3. An undisguised or unconcealed state: brought the problem out into the open.4. A tournament or contest in which both professional and amateur players may participate.5. A beginning: Shares were down at the market open.Phrasal Verb: open up1. To spread out; unfold: A green valley opened up before us.2. To begin operation or start (something): The new store opens up next month. The band opened up the concert with an old favorite.3. To begin firing: The artillery opened up at dawn.4. Informal To speak freely and candidly: At last the frightened witness opened up and told the truth.5. To make an opening in by cutting: The surgeon opened up the patient's chest.6. To make available or accessible: open up new markets.7. Informal To accelerate. Used of a motor vehicle.8. Sports To get a sudden, insurmountable lead in (an athletic contest).Idioms: open fire To begin firing a gun or guns. open (one's) eyes To become aware of the truth of a situation.

[Middle English, from Old English; see upo in Indo-European roots.]

o′pen·ly adv.o′pen·ness n.

open up

vb (adverb) 1. (Military) (intr) to start firing a gun or guns2. (intr) to speak freely or without restraint3. (Automotive Engineering) (intr) informal (of a motor vehicle) to accelerate4. (tr) to render accessible: the motorway opened up the remoter areas. 5. to make or become more exciting or lively: the game opened up after half-time.

Thesaurus

Verb	1.	open up - cause to open or to become open; "Mary opened the car door"openunbar - remove a bar from (a door)break open - open with force; "He broke open the picnic basket"click open - open with a clicking sound; "These keys have clicked open many doors"reopen - open again or anew; "They reopened the theater"unlock - open the lock of; "unlock the door"unbolt - undo the bolt of; "unbolt the door"unseal - break the seal of; "He unsealed the letter"uncork - draw the cork from (bottles); "uncork the French wine"jimmy, lever, prise, pry, prize - to move or force, especially in an effort to get something open; "The burglar jimmied the lock": "Raccoons managed to pry the lid off the garbage pail"gap, breach - make an opening or gap inlance - open by piercing with a lancet; "lance a boil"
	2.	open up - become available; "an opportunity opened up"opencome up, arise - result or issue; "A slight unpleasantness arose from this discussion"
	3.	open up - make available; "This opens up new possibilities"openyield, afford, give - be the cause or source of; "He gave me a lot of trouble"; "Our meeting afforded much interesting information"
	4.	open up - open up an area or prepare a way; "She pioneered a graduate program for women students"pioneerinnovate, introduce - bring something new to an environment; "A new word processor was introduced"
	5.	open up - start to operate or function or cause to start operating or functioning; "open a business"openestablish, found, launch, set up - set up or found; "She set up a literacy program"
	6.	open up - become open; "The door opened"openchange state, turn - undergo a transformation or a change of position or action; "We turned from Socialism to Capitalism"; "The people turned against the President when he stole the election"unfasten - become undone or untied; "The shoelaces unfastened"fly open - come open suddenly; "the doors flew open in the strong gust"
	7.	open up - talk freely and without inhibitionmouth, speak, talk, verbalise, verbalize, utter - express in speech; "She talks a lot of nonsense"; "This depressed patient does not verbalize"be quiet, belt up, button up, clam up, keep mum, shut up, dummy up, close up - refuse to talk or stop talking; fall silent; "The children shut up when their father approached"

Translations

开开业开门打开

open

(ˈəupən) adjective1. not shut, allowing entry or exit. an open box; The gate is wide open.开着的2. allowing the inside to be seen. an open book.敝开的3. ready for business etc. The shop is open on Sunday afternoons; After the fog had cleared, the airport was soon open again; The gardens are open to the public.营业着的4. not kept secret. an open show of affection.公开的5. frank. He was very open with me about his work.坦率的6. still being considered etc. Leave the matter open.悬而未决的7. empty, with no trees, buildings etc. I like to be out in the open country; an open space.空旷的 verb1. to make or become open. He opened the door; The door opened; The new shop opened last week.打开2. to begin. He opened the meeting with a speech of welcome.开始ˈopener noun something that opens (something). a tin-opener.开瓶刀ˈopening noun1. a hole; a clear or open space. an opening in the fence/forest. 洞，缺口 2. a beginning. the opening of the film; (also adjective) the chairman's opening remarks. 开始，开端 3. the act of becoming or making open, the ceremony of making open. the opening of a flower/shop/door; the opening of the new theatre. 开张（开业），打開（門），开幕，（花朵）绽开 4. an opportunity for work. There are good openings in the automobile industry. 职位的空缺，缺额 ˈopenly adverb frankly. She talked very openly about it.坦率地ˈopen-air adjective outside. an open-air meeting.野外ˌopen-ˈminded adjective willing to consider new ideas. an open-minded approach to the problem.虚心的ˌopen-ˈplan adjective (of a building) built with few walls inside. an open-plan office. 没有固定隔墙的（办公楼） be an open secret to be known to many people although supposed to be a secret. It's an open secret that she's getting married next week.公开秘密bring (something) out into the open to make (something) public. This affair has been kept a secret for too long – it's time it was brought out into the open.诉诸公众in the open outside; in the open air. It's very healthy for children to be able to play in the open.在户外in the open air not in a building. If it doesn't rain, we'll have the party in the open air.在室外的keep/have an open mind to have a willingness to listen to or accept new ideas, other people's suggestions etc (eg before making a decision). It doesn't seem to be a very good plan, but I think we should keep an open mind about it for the time being. 虚心听取（或接受）别人的意见 open on to (of a door etc) to open towards. Our front door opens straight on to the street.通往...the open sea any area of sea far from land. When they reached the open sea, they were faced with large waves.公海open to1. likely or willing to receive. open to charges of corruption; open to suggestions from any member of staff.愿意接受2. possible. There are only two courses of action open to us. 对...开放（可能的） open up1. to open (a shop etc). I open up the shop at nine o'clock every morning.开业2. to open (a box etc) completely. He opened up the parcel. 开，打开 3. to open the (main) door of a building etc. `Open up!' shouted the policeman. `We know you are in there!'开门with open arms in a very friendly way. They received their visitors with open arms.热诚地

open up

open (one) up

To perform a major invasive surgery on one, especially on one's abdomen, by literally opening a body cavity. The doctors are going to open me up and see if they can bypass the blockage in my heart.See also: open, up

open up

1. To spread or unfold outward. As we came out of the mountain pass, the road opened up and the great plains lay before us.2. Of an establishment, to begin operation for the first time. I hear there's a new movie theater opening up across town.3. To open at the beginning of the business or work day. What time in the morning do you typically open up? My office building opens up at 7 AM, so I'll be able to get in early and make some tweaks before the meeting.4. To fire or begin firing a gun (at someone). The troops opened up as soon as they saw the militants exit the building.5. By extension (of meaning 4), to begin attacking, criticizing, or interrogating someone. The reporters opened up on the commissioner with a barrage of intense questions.6. To speak candidly; to reveal one's inner thoughts or emotions. Often followed by "with/to (someone)." I've been trying to get Jeff to open up a bit, but he just likes to keep things to himself. You need to learn to open up to your wife, or your relationship is doomed for failure.7. To become available or viable. The company is so massive that there are jobs opening up all the time. With recent changes in the legislation, that region is opening up as a potential new market.See also: open, up

open someone up

Fig. to perform a surgical operation requiring a major incision on someone. The doctor had to open George up to find out what was wrong. They opened up George, seeking the cause of his illness.See also: open, up

open something up (to someone)

to make something available to someone; to permit someone to join something or participate in something. We intend to open the club up to everyone. We will open up our books to the auditors.See also: open, up

open something up

1. Lit. to unwrap something; to open something. Yes, Iwantto open my presents up. Ican't wait to open up my presents. Open up this door! 2. Fig. to begin examining or discussing something. Do you really want to open it up now? Now is the time to open up the question of taxes. 3. . Fig. to reveal the possibilities of something; to reveal an opportunity. Your letter opened new possibilities up. Your comments opened up a whole new train of thought. 4. Fig. to start the use of something, such as land, a building, a business, etc. They opened the coastal lands up to resort development. We opened up a new store last March. 5. Fig. to make a vehicle go as fast as possible. (As in opening up the throttle.) We took the new car out on the highway and opened it up. I've never really opened up this truck. I don't know how fast it'll go. 6. to make something less congested. They opened the yard up by cutting out a lot of old shrubbery. We opened up the room by taking the piano out.See also: open, up

open up

1. Lit. open your door; open your mouth. (Usually Open up!) I want in. Open up! Open up! This is the police. 2. Fig. to become available. A new job is opening up at my office. Let me know if any other opportunities open up. 3. Fig. to go as fast as possible. (As in opening up the throttle.) I can't get this car to open up. Must be something wrong with the engine. Faster, Tom! Open up! Let's go! 4. to become clear, uncluttered, or open. As we drove along, the forest opened up, and we entered into a grassy plain. The sky opened up, and the sun shone.See also: open, up

open up

(about someone or something) (with someone) and open up (on someone or something) (with someone) to speak freely about someone or something; to speak a great deal about someone or something. After a while, he began to open up about his disagreements. He opened up with us about the accident. She opened up on Fred with Alice.See also: open, up

open up

(on someone, something, or an animal) to fire a gun or other weapon at someone, something, or an animal. The sergeant told the soldiers to open up on the enemy position. "Okay, you guys," shouted the sergeant. "Open up!"See also: open, up

open up

(to someone) and open up (with someone) to tell [everything] to someone; to confess to someone. If she would only open up to me, perhaps I could help her. She just won't open up. Everything is "private."See also: open, up

open up

(with someone) Go to open up (to someone).See also: open, up

open up to something

to become more accepting of someone or something. Finally, he opened up to the suggestion that he should leave. Finally the boss opened up to the notion of Tom as a manager.See also: open, up

open up

1. Spread out, unfold, as in A green valley opened up before us. [Early 1800s] 2. Begin operation, as in The new store opens up next month. [Late 1700s] 3. Begin firing, begin attacking, as in The artillery opened up at dawn, or, figuratively, The speaker opened up fiercely on the opposition. [1930s] Also see open fire. 4. Speak freely and candidly, as in At last the witness opened up and told what happened. " Colloquial; c. 1920] 5. Make an opening by cutting, as in The surgeon opened up the patient's chest. 6. Become available or accessible, as in With new markets opening up all the time we hope to see our revenues increase dramatically. [Mid-1800s] 7. Increase the speed of a vehicle, as in Let's see how fast the car will go if you open it up. [Colloquial; c. 1920] 8. Open the door, let me (or us) in, as in Open up! This is the police. [Mid-1900s] Note that in all of these usages except def. 4 and 7, up serves as an intensifier, that is, it emphasizes the verb open. See also: open, up

open up

v.1. To release something from a closed or fastened position: Please open up the cabinet and take out the plates. We opened the trunk up and found some old clothing.2. To remove obstructions from something; clear something: The change in weather opened up my sinuses. The cancellation of that meeting opened my schedule up.3. To become free from obstruction: After the debris was removed from the road, the traffic opened up.4. To spread out; unfold: A green valley opened up before us.5. To begin operation, as a business or office: The new store opens up next month.6. To begin firing: The artillery opened up at dawn.7. To speak freely and candidly: At last the frightened witness opened up and told the truth.8. To make an opening in something or someone by cutting: The surgeon opened up the patient's chest.9. To make something available or accessible: The new CEO plans to open up markets overseas. The snow opens the possibility up of a good ski season.10. To accelerate. Used of a motor vehicle: The sports car opened up and roared down the road.See also: open, up

open up

o·pen

open up

open

open up

open (one) up

open up

open someone up

open something up (to someone)

open something up

open up

open up

open up

open up

open up

open up to something

open up

open up

Open up

Open up

Open Up

open up

Synonyms for open up

verb cause to open or to become open

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verb become available

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verb make available

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verb open up an area or prepare a way

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verb start to operate or function or cause to start operating or functioning

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verb become open

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verb talk freely and without inhibition

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Antonyms