cheer up Definition

cheer
noun

1. A shout of approval or encouragement.
2. old use
Disposition; frame of mind.
Example: be of good cheer
3. old use
Merriment.
Thesaurus: merriment, delight, mirth, glee; geniality, gaiety, vivacity.
4. old use
Food and drink.
Example: Christmas cheer

verb

tr & intr
cheered, cheering
1. To show approval or encouragement of someone or something by shouting.

Idiom: three cheers!

An exclamation encouraging people to give three shouts in celebration of something or in honour of someone
Example: Three cheers for Nicholas!

Etymology: 13c: from French chere face.

Phrasal Verb: cheer someone on

To encourage them by shouting.

Phrasal Verb: cheer up

To become more cheerful.

Phrasal Verb: cheer someone up

To make them more cheerful.