The main thing is the most important one of several similar things in a particular situation.
...one of the main tourist areas of Amsterdam.
My main concern now is to protect the children.
What are the main differences and similarities between them?
Synonyms: chief, leading, major, prime More Synonyms of main
2.
See in the main
3. countable noun [usually plural]
The mains are the pipes which supply gas or water to buildings, or which take sewage away from them.
...the water supply from the mains.
The capital has been without mains water since Wednesday night.
4. plural noun
The mains are the wires which supply electricity to buildings, or the place where the wires end inside the building.
[mainly British]
...amplifiers which plug into the mains.
Make sure plugs are disconnected from the mains.
It is mains or battery powered.
More Synonyms of main
English Easy Learning GrammarSentences and clausesA clause is a group of words which contains a verb. The verb in a clause can be finite Use this pan for the pasta. He missed the turnoff. or non-finite. To ... Read more
main in British English1
(meɪn)
adjective(prenominal)
1.
chief or principal in rank, importance, size, etc
2.
sheer or utmost (esp in the phrase by main force)
3. nautical
of, relating to, or denoting any gear, such as a stay or sail, belonging to the mainmast
4. obsolete
significant or important
noun
5.
a principal pipe, conduit, duct, or line in a system used to distribute water, electricity, etc
6. (plural)
a.
the main distribution network for water, gas, or electricity
b.
(as modifier)
mains voltage
7.
the chief or most important part or consideration
8.
great strength or force (now chiefly in the phrase (with) might and main)
9. literary
the open ocean
10. archaic short for Spanish Main
11. archaic short for mainland
12. in the main
Word origin
C13: from Old English mægen strength
main in British English2
(meɪn)
noun
1.
a throw of the dice in dice games
2.
a cockfighting contest
3.
a match in archery, boxing, etc
Word origin
C16: of unknown origin
Main in British English
(meɪn, German main)
noun
a river in central and W Germany, flowing west through Würzburg and Frankfurt to the Rhine. Length: about 515 km (320 miles)
Main in American English
(maɪn; E meɪn)
river in SW Germany, flowing west into the Rhine at Mainz: 307 mi (494 km)
Word origin
G < Gaul Moenus < IE *moin-, river name < base *mei-, to go, wander > L meare, to go
main in American English
(meɪn)
noun
1.
physical strength; force; power
now only in with might and main, with all one's strength
2.
the principal or most important part or point
usually in the phrase in the main, mostly, chiefly
3.
a principal pipe, conduit, or line in a distribution system for water, gas, electricity,etc.
4. OLD-FASHIONED, Poetic
the high, or open, sea; ocean
5. Archaic
the mainland
see also Spanish Main
6. Obsolete
any broad expanse
7. Nautical
a.
mainmast
b.
mainsail
adjective
8. Obsolete
strong; powerful
9.
chief in size, extent, importance, etc.; principal; leading; specif., designating a large central unit on which subsidiaries or branches depend
the main post office
10.
of, near, or connected with the mainmast or mainsail
11. British, Dialectal
remarkable; considerable
12. Obsolete
designating a broad expanse of land, sea, or space
SIMILAR WORDS: chief
Idioms:
by main force (or strength)
Word origin
ME < OE mægen, akin to ON magn: see might1
More idioms containing
main
have an eye for the main chance
Examples of 'main' in a sentence
main
Rooms are in the main building or an annexe.
Times, Sunday Times (2016)
This needs to become one of the main selling points for engineering companies.
Times, Sunday Times (2016)
What will be your main focus areas this year?
Computing (2010)
There are two main reasons for this.
Smithsonian Mag (2017)
There are three main theories about why this is.
Times, Sunday Times (2016)
The main thing was not to leave clues in the first place.
Times, Sunday Times (2017)
The main problem is that it leads you somewhere then it all goes a bit opaque.
Times, Sunday Times (2016)
They are one of our main rivals and very tough.
The Sun (2016)
Yet the car can also be plugged into the mains and charged overnight.
Times, Sunday Times (2010)
The gift shop in the main building is tucked away down the stairs.
Times, Sunday Times (2015)
The two main areas of concern are movement and return of serve.
Times, Sunday Times (2015)
The technology works by reducing the voltage of mains electricity entering a home or business.
Times, Sunday Times (2012)
What are the main points of difference?
Times, Sunday Times (2013)
We live in the countryside so we have an oil tank rather than mains gas.
Times, Sunday Times (2008)
The three main leaders set out clearly where they stand on tax.
The Sun (2014)
The main one is that we are incredible at facing adversity.
The Sun (2013)
He was an outstanding footballer and that was the main reason we wanted him.
The Sun (2015)
Your neighbours have two main direct legal rights that could interfere with the work.
Times, Sunday Times (2013)
My main objection to capital punishment is that an innocent person might die.
The Sun (2008)
The main problem is your lack of trust.
The Sun (2013)
Perhaps then the east coast main line might get some investment.
Times, Sunday Times (2016)
The main avenues were lined with trees.
Aldiss, Brian Somewhere East of Life (1994)
They all need kilometres of heavy wiring and are drains on the main battery.
Times, Sunday Times (2010)
The fact her main concern was my personal happiness made all the difference.
The Sun (2011)
They are driven solely by electricity and designed to be plugged into the mains overnight.
Times, Sunday Times (2009)
Accommodation is in the main building or whitewashed villas furnished in a contemporary style.
Times, Sunday Times (2012)
The questions have been put under a few headings representing the main topic areas.
Fletcher, Clive How to Face Interviews (1981)
In other languages
main
British English: main /meɪn/ ADJECTIVE
The main thing is the most important one.
...one of the main tourist areas of the city.
American English: main
Arabic: أَسَاسِيّ
Brazilian Portuguese: principal
Chinese: 主要的
Croatian: glavni
Czech: hlavní
Danish: vigtigste
Dutch: hoofd-
European Spanish: principal
Finnish: pää-
French: principal plus important
German: Haupt-
Greek: κύριος
Italian: principale
Japanese: 主な
Korean: 주요한
Norwegian: hoved-
Polish: główny najważniejszy
European Portuguese: principal
Romanian: principal
Russian: главный
Latin American Spanish: principal
Swedish: huvud-
Thai: หลัก
Turkish: temel
Ukrainian: головний
Vietnamese: chủ yếu
Definition of 'main'
Chinese translation of 'main'
main
(meɪn)
adj
[reason, place, entrance, meal]主要的 (zhǔyào de)
⇒ My main concern is to protect the children.保护孩子们是我主要关心的事。 (Bǎohù háizimen shì wǒ zhǔyào guānxīn de shì.)
⇒ Mrs Foster hurried through the main entrance.福斯特太太匆匆忙忙地从主入口进来了。 (Fúsītè tàitai cōngcōng mángmáng de cóng zhǔrùkǒu jìnlái le.)
n(c)
(= pipe)[water, gas]总(總)管道 (zǒng guǎndào)
⇒ A bulldozer had severed a gas main.推土机切断了一条煤气总管道。 (Tuītǔjī qiēduànle yī tiáo méiqì zǒngguǎndào.)
in the main (= in general) 大体(體)上 (dàtǐshàng)
All related terms of 'main'
main road
主干(幹)道 zhǔgàndào [ 条(條) tiáo ]
main course
主菜 zhǔcài [ 道 dào ]
main street
大街 dàjiē [ 条(條) tiáo ] [ 英 = high street ]
in the main
( in general ) 大体(體)上 dàtǐshàng
main/subordinate clause
( Ling ) 主/从(從)句 zhǔ/cóngjù
the main/central plank
( of policy, argument ) 主要/中心政纲(綱)准(準)则(則) zhǔyào/zhōngxīn zhènggāng zhǔnzé
it's 15 km off the main road
它离(離)主干(幹)道15公里远(遠) tā lí zhǔgàndào shíwǔ gōnglǐ yuǎn