all Definition in the Cambridge English Dictionary
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Definition of “all” - English Dictionary

Definition of "all" - American English Dictionary

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alladjective

 us   /ɔl/

all adjective (EVERY ONE)

every one of, or the ​completenumber of: All four of her ​children are under six. Not all my ​friendsapproved of what I did. All but the ​weakestplantssurvived the ​hotweather.

all adjective (COMPLETELY)

[not gradable] the ​whole: I’ve been ​trying all ​day to ​contact you.

alladverb [not gradable]

 us   /ɔl/

all adverb [not gradable] (COMPLETELY)

completely: This ​coat is all ​wool. Is the ​milk all gone? Did you ​drink it all? Don’t get all ​upset. All is also used after a ​number to ​mean that both ​teams or ​players in a ​game have ​equalpoints: The ​score at halftime was 10 all.
all over everywhere in a ​place or ​area: Soon the ​news was all over ​town. There were these ​tiny little ​blueflowersgrowing all over.
Idioms

allpronoun

 us   /ɔl/

all pronoun (EVERY ONE)

every one: All of her ​children have ​graduated from high ​school.

all pronoun (ONE THING)

the one thing: Speed is all that ​matters. All I need is a ​hotshower.
(Definition of all from the Cambridge Academic Content Dictionary © Cambridge University Press)

Definition of "all" - British English Dictionary

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alldeterminer, predeterminer, pronoun

uk   /ɔːl/  us   /ɑːl/
A1 every one (of), or the ​completeamount or ​number (of), or the ​whole (of): All ​animals have to ​eat in ​order to ​live. She has four ​children, all under the ​age of five. The ​cast all ​lined up on ​stage to take ​theirbow. Have you ​drunk all (of) the ​milk? Have you ​drunk it all? All the ​eggs got ​broken. Now the money's all mine! All my ​friendsagree. I've been ​trying all ​day/​week to ​contact you. She had £2,000 under the ​bed and the ​thieves took it all. I had to use all my ​powers of ​persuasion to get her to ​agree. Remember all that ​trouble we had with the ​police last ​year? So ​long as he's ​happy - that's all that ​matters (= the most ​important thing). All (= the only thing) I need is a ​roof over my ​head and a ​decentmeal. The ​judgecleared the ​court of all but (= everyone except) herself and the ​witness. Why do you get so ​angry with me all the ​time (= very often)? It's very ​kind of you to come all the way to ​meet me.all in all considering all the different ​parts of the ​situation together: All in all, I ​think you've done very well.all I'm saying informal used when you make a ​comment or ​criticism, so that it ​seems less ​severe or is less ​likely to ​offend someone: All I'm saying is I ​think the end ​part could have been a little ​shorter. We should do ​ourbest, that's all I'm saying.all the... you have the only and ​smallamount or ​number of something you have: Her ​parentsdied when she was a ​baby, so I was all the ​family she ​ever had.
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Grammar

alladverb

uk   /ɔːl/  us   /ɑːl/
A2 completely: The ​cake was all ​eaten last ​night. The ​downstairsrooms were ​painted all in ​greens and ​blues. The ​baby got ​food all over her ​dress. Don't ​let her get you all ​upset. She's been all over ​townlooking for you. I've been ​hearing all about ​yourweekend! We had a ​difficulttime but it's all over now. The ​princesslived all alone/by herself in the ​middle of the ​forest.B1 used after a ​number to ​mean that both ​teams or ​players in a ​game have ​equalpoints: The ​score at ​half-time was still four all.all but C2 almost: The ​game was all but over by the ​time we ​arrived. I'd all but given up on you.all round UK (US all around) in every way: It was a ​ghastlybusiness all round. It's been a good ​day all around.all the better, stronger, more exciting, etc. C2 even or much ​better, ​stronger, more ​exciting, etc.: She ​felt all the ​better for the ​drink. I've ​lost ten ​pounds and I ​feel all the ​fitter for it.
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Grammar

all-prefix

uk   /ɔːl-/  us   /ɑːl-/
used in ​front of many ​nouns to ​formadjectivesmeaning "every", "every ​type of", or "the ​whole of" that ​particular thing: an ​all-nightbar (= a ​bar that is ​open for the ​wholenight) used in ​front of many ​adjectives and ​presentparticiples to ​mean "everything" or "everyone": an ​all-inclusiveprice all-conquering ​armies used in ​front of many ​nouns and ​adjectives to ​mean "​completely": all-cotton ​socks (= ​socks that are made ​completely of ​cotton) When ​cooking the ​sauce, don't ​forget that all-important (= most or very ​important)ingredient, ​freshbasil. Do you ​believe in an all-powerfulgod (= one with ​unlimitedpower)?
(Definition of all from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)

Definition of "all" - Business English Dictionary

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all

uk   us   /ɔːl/
be all go UK if a ​situation or ​place is all go, it is extremely ​busy: It was all go in the ​office today.
go all out to put all your ​energy or enthusiasm into what you are doing: Investors going all out for ​growth with some ​risk might be interested in this new ​unittrust.
(Definition of all from the Cambridge Business English Dictionary © Cambridge University Press)
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