all

noun

Synonyms of allnext
: the whole of one's possessions, resources, or energy
gave his all for the cause

Word History

Etymology

nominal use of the pronoun all entry 3

First Known Use

1593, in the meaning defined above

Time Traveler
The first known use of all was in 1593

Browse Nearby Words

Cite this Entry

“All.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/all. Accessed 12 Jun. 2026.

Kids Definition

all

1 of 3 adjective
1
a
: the whole of
sat up all night
b
: as much as possible
in all seriousness
2
: every one of
all students can go
3
: any whatever
beyond all doubt

all

2 of 3 adverb
1
: wholly, altogether
sat all alone
all across the country
2
: so much
all the better for it
3
: for each side : apiece
the score is two all

all

3 of 3 pronoun
1
a
: the whole number, quantity, or amount
all that I have
all of us
b
used in such phrases as for all I know, for all I care, and for all the good it does to show a lack of knowledge, interest, or effectiveness
2
: everyone, everything
known to all
sacrificed all for love

Medical Definition

ALL

abbreviation
acute lymphoblastic leukemia; acute lymphocytic leukemia

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