1. 名詞
   不可數名詞: 快樂, 歡樂
   愉快
   快活, 輕快
   興高采烈
   嬉戲作樂
   

   同義字詞
   cheer,cheerfulness,cheeriness,festivity,gaiety,gayety,gayness,glee,gleefulness,hilarity,jocundity,joviality,merriment,mirth,mirthfulness
   

例句

1. It tinkled, an old-world merriness .
2. Tombstone wit sometimes contains as much truth as merriness ; here is a specimen:
3. Light is more than decor – it is art medium, merriness cue, transmitter of good cheer.
4. This is a glittering outdoor party, where chaos and merriness reign and nothing is as it normally is.