buck up

interjection

Cheer up; take courage; take heart.

“I knew I had to try and buck up the rest of my team as well.”

Similar
First used c. 1900-1920

Meanings

interjection
  1. datedidiomaticHurry up; make haste.
verbbuck up (third-person singular simple present bucks up, present participle bucking up, simple past and past participle bucked up)

present singular third person bucks up · participle present bucking up · participle past bucked up · past bucked up

  1. idiomaticintransitiveTo become encouraged, reinvigorated, or cheerful; to summon one's courage or spirits; to pluck up courage.

    I realized I needed to buck up and tackle the problem head-on.

  2. idiomatictransitiveTo encourage; to hearten.

    I knew I had to try and buck up the rest of my team as well.

  3. idiomaticintransitiveTo do better.

    You better buck up or you'll never make it.

  4. datedidiomaticintransitiveTo dress oneself up smartly; compare (obsolete) buck ("a fop, dandy")First known use c. 1900-1920
  5. colloquialidiomatictransitiveTo pass on to higher authority for resolution. See also pass the buck.

    He just bucked everything risky up to management.

    2 more examples

    He started bucking up everything to management when he didn't get a raise.

    Instead of dealing with the customer's complaint himself, he just bucked it up to his boss.

  6. obsoleteTo hurry up.

    'Now' said Cameron, 'we must buck up; it's getting late. Now about the child, Boshy: she must come with us, you see.'

    1907, Barbara Baynton, edited by Sally Krimmer and Alan Lawson, Human Toll (Portable Australian Authors: Barbara Baynton), published 1980, page 141
  7. idiomaticslangtransitiveAfrican-American VernacularTo hit or fight (someone).

Synonyms & antonyms

verbgain courage

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Also see

Synonym sets from Open English WordNet, CC BY 4.0.

Translations

Chinese Mandarin 打起精神
  • 打起精神 (dǎqǐ jīngshén)to become encouraged
Russian встряхну́ть, оживи́ть
  • встряхну́ть (vstrjaxnútʹ)to encourage or hearten
  • оживи́ть (oživítʹ)to encourage or hearten
  • приободри́ть (priobodrítʹ)to encourage or hearten
Cite this entry
APA

buck up. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/buck%20up

MLA

“buck up.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/buck%20up. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “buck up,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/buck%20up.

Source: buck up on Wiktionary, CC BY-SA 4.0.