all-out

1 of 2

adjective

Synonyms of all-outnext
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
In that case, the Vision XL is pretty comfortably a 3+ instead of an all-out 4. New Atlas, 13 Dec. 2025 Wintery cocktails at Geist Nashville Geist Bar and Restaurant went all-out with their seasonal decor this year, transforming their champagne garden into a winter wonderland with lights, trees and ornaments. Audrey Gibbs, Nashville Tennessean, 12 Dec. 2025
Adverb
Still, this is the time to go all out with our best New Year’s Eve dinner ideas. Kelly Vaughan, Bon Appetit Magazine, 13 Dec. 2025 Think acupuncture and Mayan abdominal massage, which are also, all out of pocket. Angela Hatem, Parents, 9 Dec. 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 18 Dec. 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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