knock /nok/

1. To strike hard or heavily
2. To drive or be driven against something
3. To strike esp a door for admittance
4. To rap
5. To make a noise by, or as if by, striking
6. (of machinery) to rattle or clank regularly
7. (of an internal-combustion engine) to make the noise caused by detonation

1. To strike
2. To drive against
3. To bring to a specified state or position by striking or pushing
4. To make by striking
5. To impress strongly, stun, daze, confound (slang)
6. To disparage, criticize in a carping way (informal)
7. To approach (a specified age) (informal)
8. To have sexual intercourse with (slang)

1. A sudden stroke
2. A rap
3. The noise of detonation in an internal-combustion engine
4. A reversal, shock, setback (informal)
5. A criticism (informal)
6. An innings, a spell at batting (cricket)
7. A clock (Scot)

knockˈer noun

1. Someone who knocks
2. A device suspended on a door for making a knock
3. A carper or critic (informal)
4. (in pl) a woman's breasts (slang)
5. Someone who makes unsolicited door-to-door calls on domestic householders, eg hoping to buy valuables from them, or selling, etc
6. A goblin thought to inhabit a mine who points out the presence of ore by knocks (dialect)

knockˈing noun

1. A beating on a door
2. A rap
3. A noise as if of something that knocks
4. Knock in an internal-combustion engine
5. The practice of making unsolicited calls on householders, eg hoping to buy valuables from them

knockˈabout noun

1. A boisterous performance with horseplay
2. A performer of such turns
3. Someone who does odd jobs, esp on a station (Aust)
4. A small yacht without a bowsprit (N American)
5. A small motor car suitable for doing short journeys

adjective

1. Boisterous (orig theatre)
2. Suitable for rough use (obsolete)

knockˈ-back noun

1. A setback
2. A refusal or rejection (slang)
3. A refusal of parole from prison (slang)

knockˈ-down noun

1. An act or instance of knocking down
2. An introduction (US, Aust and NZ informal)

adjective

1. Such as to overthrow, powerful
2. Adapted for being taken to pieces
3. (of prices) very low

knockedˈ-down adjective

Supplied in parts or kit form for assembly by the purchaser

knockˈer-up noun

A person employed to rouse workers in the morning

knock-for-knock agreement, policy, etc noun

An arrangement between motor insurance companies by which, after an accident involving two cars, each company settles the damage to the car it insures without considering which driver was to blame

knocking copy noun

Advertising material that denigrates competing products

knockˈing-shop or knocking shop noun (slang)

A brothel

knockˈ-knee noun

The state of being knock-kneed

knock-kneedˈ adjective

1. Having knees that knock or touch in walking
2. Weak (figurative)

knockˈ-on see knock on and knock-on effect below.

adjective (informal)

Causing or caused by a series of consequences

knockˈout noun

1. The act of knocking out
2. A blow that knocks out
3. A conspiracy among dealers at an auction to keep prices artificially low
4. Any person or thing of outstanding attraction or excellence (informal)
5. A knockout competition
6. See also technical knockout under technical

adjective

1. (of a competition) eliminating losers at each round
2. Stunningly attractive or excellent (informal)

knockout auction noun

An auction at which the majority of bidders are dealers in league to keep prices artificially low

knockout drops plural noun (informal)

A drug put in a drink to make the drinker unconscious

knockˈ-rating noun

The measurement of freedom from knocking of a fuel in an internal-combustion engine, as compared with a standard fuel

knockˈ-up noun

(in tennis, etc) practice immediately before a match

knock about or around

1. To mistreat physically
2. To discuss informally
3. To saunter, loaf about
4. To be around in the area
5. To travel about, roughing it and having varied experiences
6. To be a casual friend of, associate with (with with)

knock back (informal)

1. To drink or eat, esp swiftly
2. To cost
3. To shock, disconcert
4. To rebuff, reject, turn down

knock cold

1. To knock (someone) out
2. To shock violently

knock copy

To disparage a rival's products

knock down

1. To fell with a blow
2. To demolish
3. To assign (an article) with a tap of the auctioneer's hammer (to)
4. To reduce in price (informal)
5. To spend (one's resources) on a drinking binge (Aust and NZ sl)
6. To misappropriate, filch (US) (knock-down adjective see above)

knock into a cocked hat see under cock¹

knock into the middle of next week (informal)

To hit (someone) very hard

knock off (informal)

1. To stop work
2. To stop, discontinue
3. To accomplish hastily
4. To deduct
5. To steal, rob (slang)
6. To copy illegally, to pirate (slang)
7. To kill (slang)
8. To have sexual intercourse with (slang)

knock on

1. To grow old (informal)
2. To knock (the ball) forward with the hand or arm (an infringement of the rules in rugby; knockˈ-on noun)

knock-on effect

The effect one action or occurrence has on one or more indirectly related matters or circumstances

knock one's head against a brick wall

To meet with total resistance or refusal to compromise

knock on the head (informal)

To suppress, put an end to

knock on wood see touch wood under touch

knock out

1. To dislodge by a blow
2. To strike unconscious or incapable of recovering in time (boxing)
3. To defeat in a knockout competition
4. To overcome, demolish, destroy, disable
5. To produce, esp quickly or roughly (informal)
6. To tire (oneself) out (slang)
7. To overwhelm with amazement, admiration, etc (slang)
8. To disable (a specific gene) in order to study the effect that it has on an organism (genetics)

knock sideways (informal)

To put off one's usual course

knock the bottom out of (informal)

1. To make, or show to be, invalid
2. To make ineffectual, bring to nothing

knock the (living) daylights out of see under day

knock together (informal)

To get together or construct hastily

knock under (archaic)

To give in, yield

knock up

1. To rouse by knocking
2. To wear out
3. To construct or arrange hastily
4. To achieve (a certain score) (games, esp cricket)
5. To practise immediately before a match (tennis, etc)
6. To make pregnant (slang)

• oasts
• oat
• oatcake
• oatcakes
• oaten
• oater
• oaters
• oat grass
• oat grasses
• oath
• oathable
• oath-breaking
• oaths
• oatier
• oatiest
• oatmeal
• oatmeals
• oats
• oaty
• OAU
• oaves
• ob
• ob.
• OB
• oba