Definition of all-out
- an all-out effort to win the contest
1893
absolute, arrant, blank, categorical (also categoric), clean, complete, consummate, cotton-picking, crashing, dead, deadly, definite, downright, dreadful, fair, flat, flat-out, out-and-out, outright, perfect, plumb, profound, pure, rank, regular, sheer, simple, stark, straight-out, thorough, thoroughgoing, total, unadulterated, unalloyed, unconditional, unmitigated, unqualified, utter, very;
doubtful, dubious, equivocal, qualified, questionable, restricted, uncertain;
authentic, classic, genuine, real, veritable;
constant, endless, eternal, perpetual, undying, unremitting;
confirmed, habitual, hopeless, inveterate;
extraordinary, frightful, horrible, huge, main, superlative, supreme, surpassing, terrible, terrific;
went all out for her New Year's Eve party—she even had fireworks!
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'all out.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
1840
completely, comprehensively, detailedly, exhaustively, fully, minutely, roundly, thoroughly, totally;
full steam ahead, in full career, like crazy, to the hilt;
: made or done with as much effort as possible
: fully developed
See words that rhyme with all-out Thesaurus: All synonyms and antonyms for all-out Spanish Central: Translation of all-out Nglish: Translation of all-out for Spanish speakers
What made you want to look up all-out? Please tell us where you read or heard it (including the quote, if possible).
Odd Habits and Quirks Quiz
Test your knowledge - and maybe learn something along the way.
TAKE THE QUIZTest Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZ