buck

verb

bucked; bucking; bucks
Synonyms of bucknext

intransitive verb

1
of a horse or mule : to spring into the air with the back arched
2
: to charge against something
3
a
: to move or react jerkily
b
: to refuse assent : balk
4
: to strive for advancement sometimes without regard to ethical behavior
bucking for a promotion

transitive verb

1
a
: oppose, resist
bucking the system
b
archaic : butt entry 3
2
: to throw or dislodge (a rider) by bucking
3
: to move or charge into
bucking a headwind
4
a
: to pass especially from one person to another
b
: to move or load (heavy or cumbersome objects) especially with mechanical equipment
bucker noun

Examples of buck in a Sentence

the car bucked and stalled bucked the trend to outdo everyone else and just wore the same clothes they had in previous years
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.
Cassidy has already shown more willingness to buck the president. Kevin Freking, Fortune, 29 May 2026 JPMorgan's recommendation on MGM bucks the consensus on Wall Street, where 12 out of 27 analysts rate the stock no more than a hold, and three rate it a sell. Liz Napolitano, CNBC, 28 May 2026 Since then, the economy has repeatedly bucked recession models. Brandon Kochkodin, Forbes.com, 28 May 2026 Cassidy has already shown more willingness to buck the president. Kevin Freking, Chicago Tribune, 28 May 2026 See All Example Sentences for buck

Word History

First Known Use

1750, in the meaning defined at transitive sense 1b

Time Traveler
The first known use of buck was in 1750

Browse Nearby Words

Cite this Entry

“Buck.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/buck. Accessed 10 Jun. 2026.

Kids Definition

buck

1 of 4 noun
plural bucks
1
or plural buck : a male animal
especially : a male deer or antelope
2
3
informal
b
: a sum of money especially to be gained
make a quick buck

buck

2 of 4 verb
1
a
: to spring into the air with the back arched
a bucking horse
b
: to throw (as a rider) by bucking
2
: to move or act against the action of
bucking a storm
buck a trend
3
: to move or start jerkily
bucker noun

buck

3 of 4 noun
: an act or instance of bucking

buck

4 of 4 noun
: responsibility
pass the buck
Etymology

short for buckhorn knife, formerly used in poker to mark the next player to deal

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