Definition of "buck up" in English

Interjection

1. Cheer up; take courage; take heart.

2. Hurry up; make haste.

Verb

1. To 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. To encourage; to hearten.

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

3. To do better.

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

4. To dress oneself up smartly; compare (obsolete) buck ("a fop, dandy") .mw-parser-output .defdate{font-size:smaller}

5. To pass on to higher authority for resolution. See also pass the buck.

   • He started bucking up everything to management when he didn't get a raise.
   • He just bucked everything risky up to management.
   • Instead of dealing with the customer's complaint himself, he just bucked it up to his boss.

6. To hurry up.

7. To hit or fight (someone).