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Definition of buck

buck

/bʌk/
buck

Plural:bucks
•
Past Simple:bucked
•
Past Participle:bucked
•
Present Participle:bucking
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buck Lexical Profile

buck Game Scores & Validity

• noun

1

North American An informal term for one dollar (in the United States, Canada, Australia, or New Zealand).

Example

"The paperback book only cost five bucks at the neighborhood yard sale."


2

The adult male of various horned or antlered mammals, such as deer, antelopes, goats, and sheep, as well as smaller mammals like rabbits, hares, and kangaroos.

Example

"A large white-tailed buck with ten-point antlers stepped cautiously into the forest clearing."


3

Responsibility or blame that may be shifted from one person to another, originally referencing a marker passed between players in poker.

Example

"Instead of passing the buck to his subordinates, the director accepted full accountability for the delay."

Synonyms
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• verb

1

To leap upward suddenly with the head lowered and the back arched, kicking out the hind legs (especially of a horse or mule trying to throw off a rider).

Example

"The startled bronco began to buck wildly as soon as the chute gates opened."


2

To oppose, resist, or defy an established trend, rule, or authority.

Example

"The independent bookstore managed to buck the industry trend and expand its sales this year."


3

To move or jerk violently with sudden, uneven jolts (of a vehicle or machine).

Example

"The old tractor began to buck and sputter as it climbed the rocky incline."

Synonyms
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Antonyms
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• Rhymes for buck

Word Origin & Etymology

From Old English 'buc' (male deer) and 'bucca' (he-goat), descending from Proto-Germanic '*bukkaz'. The informal sense meaning 'a dollar' emerged on the 18th-century American frontier, where deerskins (buckskins) were widely used as a unit of trade.

Cite this Entry


Wordmom. (2026). Definition of Buck. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/buck
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