1
: made with maximum effort : thoroughgoing
an all-out effort to win the contest
: with full determination or enthusiasm : with maximum effort
—used chiefly in the phrase go all out
Synonyms
Adjective
- absolute
- arrant
- blank
- blooming [chiefly British]
- bodacious [Southern & Midland]
- categorical
- categoric
- clean
- complete
- consummate
- crashing
- damn
- damned
- dead
- deadly
- definite
- downright
- dreadful
- fair
- flat
- flat-out
- out-and-out
- outright
- perfect
- plumb
- profound
- pure
- rank
- regular
- sheer
- simple
- stark
- stone
- straight-out
- thorough
- thoroughgoing
- total
- unadulterated
- unalloyed
- unconditional
- unmitigated
- unqualified
- utter
- very
Adverb
Examples of all-out in a Sentence
Adjective
Grandpa got the all-out support of the family when he decided to remarry at age 72
an all-out effort to break open the door
Adverb
went all out for her New Year's Eve party—she even had fireworks!
Recent Examples on the Web
Julia Zaltzman, Robb Report, 12 Dec. 2024
Despite the uncertainty around TikTok’s future, business owners are forging ahead with all-out Live sessions in the weeks leading up to Christmas.
—Andrea Chang, Los Angeles Times, 12 Dec. 2024
Pete Hammond, Deadline, 6 Dec. 2024
Trump’s nominee is going all out to save his nomination and has struck a defiant tone.
—Niall Stanage, The Hill, 4 Dec. 2024
See all Example Sentences for all-out 
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Adjective
Photo : Lürssen ‘Octopus’ (413 feet, 3 inches) 2003
Octopus is one of the first and largest examples of an all-out exploration vessel.
—Julia Zaltzman, Robb Report, 12 Dec. 2024
Despite the uncertainty around TikTok’s future, business owners are forging ahead with all-out Live sessions in the weeks leading up to Christmas.
—Andrea Chang, Los Angeles Times, 12 Dec. 2024
Adverb
With over 17 million pieces of mail and packages, some virtually unreadable due to being discarded and left to rot, these women were shipped overseas from America to sort it all out.
—Pete Hammond, Deadline, 6 Dec. 2024
Trump’s nominee is going all out to save his nomination and has struck a defiant tone.
—Niall Stanage, The Hill, 4 Dec. 2024
See all Example Sentences for all-out
Dictionary Entries Near all-out
Cite this Entry
“All-out.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/all-out. Accessed 24 Dec. 2024.
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