Definitions:

1. a happy party noun
   • That was quite a jolly last night.
2. full of or showing high-spirited merriment adjective
   • The jolly kids sang in the choir.
3. to a moderately sufficient extent or degree adverb
   • That is a jolly effort.
4. to be silly or tease one another verb
   • Don't jolly me!

Synonyms:

• jolly boat
• kid
• merry
• middling