all Meaning in Cambridge American English Dictionary
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Meaning of "all" - American English Dictionary

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alladjective

 us   /ɔl/

all adjective (EVERY ONE)

every one of, or the complete number of: All four of her children are under six. Not all my friends approved of what I did. All but the weakest plants survived the hot weather.

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 equal points: 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 blue flowers growing 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 hot shower.
(Definition of all from the Cambridge Academic Content Dictionary © Cambridge University Press)
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