frivolity

Definitions

Lack of seriousness; lightheartedness.

A thing that is unnecessary or silly.

Examples

The party was filled with such frivolity that it was hard to take any of the serious discussions seriously.

She dismissed his concerns as mere frivolity, failing to realize the gravity of the situation.

Synonyms

levity silliness playfulness lightheartedness flippancy superficiality giddiness

Antonyms

seriousness gravity solemnity earnestness sobriety importance sensibleness