Definitions:

1. the quality of being cheerful and dispelling gloom noun
   • flowers added a note of cheerfulness to the drab room
2. to cause somebody to feel happier or more cheerful verb
   • We tried to cheer up the disappointed child who failed to win the spelling bee.
3. to show approval or good wishes by shouting verb
   • everybody cheered the birthday boy
4. to spur on or encourage especially by cheers and shouts verb
   • The crowd cheered the demonstrating strikers

Synonyms:

• barrack
• cheer up
• cheerfulness
• chirk up
• embolden
• hearten
• jolly along
• jolly up
• recreate

NearBy Words:

• cheerer
• cheerful
• cheerfully
• cheerfulness
• cheerily
• cheering
• cheerio
• cheerlead
• cheerleader
• cheerless
• cheerlessly
• cheerlessness
• cheery