buck up
[verb]
Synonyms: comfort, cheer, console, solace, upraise

[TahlilGaran] English Synonym Dictionary ▲

buck up phrasal verb (see also buck)

1. to become happier, or to make someone happier:
Come on, buck up, things aren’t that bad!
buck somebody ↔ up
You need something to buck you up.

2. buck up! British English old-fashioned used to tell someone to hurry up:
Buck up, John! We’ll be late.

3. informal to improve, or to make something improve:
It’ll be a long time before the situation starts to buck up.
buck something ↔ up
a company that is looking to buck up its networking capabilities

4. buck your ideas up British English informal used to tell someone to improve their behaviour or attitude

[TahlilGaran] Dictionary of Contemporary English ▲

buck up
buck up (someone)
to encourage someone to be energetic and positive.
I told the kids when they had colds to buck up and tough it out.

[TahlilGaran] English Idioms Dictionary ▲

buck up
v. phr., informal To make or become more cheerful; make or become free from discouragement; become more hopeful.
After the heavy rain, the scoutmaster bucked up the boys by leading them in a song.
Tom was disappointed that he didn't make the team; but he soon bucked up.

[TahlilGaran] English Idioms Dictionary ▲