buck up Definition

buck¹
noun bucks, buck (plural in senses 1 and 2 only)

1. A male animal, especially a male deer, goat, antelope, rabbit, hare or kangaroo. Compare doe.
2. An antelope.

Example: water buck
3. An act of bucking.

Example: The horse gave a huge buck
4. old use
A lively fashionably-dressed young man.

verb bucked, bucking

intr
1. Said of a horse, etc: to make a series of rapid jumps into the air, with the back arched and legs held stiff, especially in an attempt to throw off a rider.
2. Said of a horse, etc: to throw (a rider) from its back in this way.
3. colloq
To oppose or resist (an idea or trend, etc).

Derivative: bucker
noun

Etymology: Anglo-Saxon buc or bucca.

Phrasal Verb: buck up

To become more cheerful.To hurry up.

Phrasal Verb: buck someone up

To make them more cheerful.

Phrasal Verb: buck something up

To improve or liven up (one's ways or ideas, etc).