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buck up

 - 3 dictionary results

buck

2[buhk]
–verb (used without object)
1. (of a saddle or pack animal) to leap with arched back and come down with head low and forelegs stiff, in order to dislodge a rider or pack.
2. Informal. to resist or oppose obstinately; object strongly: The mayor bucked at the school board's suggestion.
3. (of a vehicle, motor, or the like) to operate unevenly; move by jerks and bounces.
–verb (used with object)
4. to throw or attempt to throw (a rider or pack) by bucking.
5. to force a way through or proceed against (an obstacle): The plane bucked a strong headwind.
6. to strike with the head; butt.
7. to resist or oppose obstinately; object strongly to.
8. Football. (of a ball-carrier) to charge into (the opponent's line).
9. to gamble, play, or take a risk against: He was bucking the odds when he bought that failing business.
10. to press a reinforcing device against (the force of a rivet) in order to absorb vibration and increase expansion.
–noun
11. an act of bucking.
12. buck for, to strive for a promotion or some other advantage: to buck for a raise.
13. buck up, to make or become more cheerful, vigorous, etc.: She knew that with a change of scene she would soon buck up.

Origin:
1855–60; verbal use of buck 1 , influenced in some senses by buck 3
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To buck up
buck 1   (bŭk)   
n.  
    1. The adult male of some animals, such as the deer, antelope, or rabbit.

    2. Antelope considered as a group: a herd of buck.

    3. A robust or high-spirited young man.

    4. A fop.

    5. Buckskin.

    6. bucks Buckskin breeches or shoes.

    1. A robust or high-spirited young man.

    2. A fop.

    3. Buckskin.

    4. bucks Buckskin breeches or shoes.

  1. Offensive A Native American or Black man.

  2. An act or instance of bucking: a horse that unseated its rider on the first buck.

    1. Buckskin.

    2. bucks Buckskin breeches or shoes.

v.   bucked, buck·ing, bucks

v.   intr.
  1. To leap upward arching the back: The horse bucked in fright.

  2. To charge with the head lowered; butt.

  3. To make sudden jerky movements; jolt: The motor bucked and lurched before it finally ran smoothly.

  4. To resist stubbornly and obstinately; balk.

  5. Informal To strive with determination: bucking for a promotion.

v.   tr.
  1. To throw or toss by bucking: buck off a rider; bucked the packsaddle off its back.

  2. To oppose directly and stubbornly; go against: "Los Angeles County, the most populous county in the country, is bucking the trend" (American Demographics).

  3. Football To charge into (an opponent's line) carrying the ball.

  4. Archaic To butt against with the head.

adj.  Of the lowest rank in a specified military category: a buck private; a buck sergeant.
Phrasal Verb(s):
buck upTo summon one's courage or spirits; hearten: My friends tried to buck me up after I lost the contest.

[Middle English bukke, from Old English buc, male deer, and bucca, male goat.]
buck'er n.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Idioms & Phrases

buck up

Cheer up, become encouraged, as in Buck up! We'll soon have it done, or Even the promise of a vacation did not buck her up. This term was first recorded in 1844.

The American Heritage® Dictionary of Idioms by Christine Ammer.
Copyright © 1997. Published by Houghton Mifflin.
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