Synonyms and Antonyms of frivolousness
a lack of seriousness often at an improper time
- His childish frivolousness at the awards ceremony wasn't appreciated by anyone.
cheer, cheerfulness, festivity, gaiety (also gayety), glee, gleefulness, high-spiritedness, hilarity, joviality, lightheartedness, merriment, mirth, mirthfulness
childishness, goofiness, puerility
dejection, depression, despondency, dispiritedness, downheartedness, gloom, gloominess, heartsickness, joylessness, melancholy, mopes, moroseness, sadness, sullenness, unhappiness