all-out

1 of 2

adjective

1
: made with maximum effort : thoroughgoing
an all-out effort to win the contest
2

all out

2 of 2

adverb

: with full determination or enthusiasm : with maximum effort
used chiefly in the phrase go all out

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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Adjective
The film follows the Demon Slayer Corps’ all-out assault on Kibutsuji Muzan’s stronghold in a bid to end the war between humans and demons. Naman Ramachandran, Variety, 22 July 2025 Paths Of Humankind Destruction Envision that AI makes an all-out attempt to eradicate humankind. Lance Eliot, Forbes.com, 19 July 2025
Adverb
Izzy’s Fish and Oyster, a modern eatery in the heart of the River District is an excellent place to go all out by ordering a seafood tower or diving into creative dishes like Coconut & Macadamia Crusted Triple Tail with coconut rice, green papaya, and red curry sauce. Tara Massouleh McCay, Southern Living, 20 July 2025 In a full-time long relief role, Newcomb appears to have hit his stride, with a 2.70 ERA in 15 outings, all out of the bullpen, for the team that now plays in West Sacramento, California. Jon Vankin, MSNBC Newsweek, 18 July 2025 See All Example Sentences for all-out

Word History

First Known Use

Adjective

1893, in the meaning defined at sense 1

Adverb

1840, in the meaning defined above

Time Traveler
The first known use of all-out was in 1840

Browse Nearby Words

Cite this Entry

“All-out.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/all-out. Accessed 29 Jul. 2025.

Kids Definition

all-out

1 of 2 adjective
ˈȯ-ˈlau̇t
: made with maximum effort : extreme
an all-out attempt to finish on time

all out

2 of 2 adverb
: with maximum effort
went all out to win

More from Merriam-Webster on all-out

Last Updated: - Updated example sentences
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