frivolousness

Từ điển Oxford Learners Wordfinder Dictionary

noun

the trait of being frivolous;
not serious or sensible
• Syn:
frivolity
• Ant:
seriousness (for: frivolity)
• Derivationally related forms:
frivolous, frivolous (for: frivolity)
• Hypernyms:
trait
• Hyponyms:
giddiness, silliness, levity, playfulness, fun