The word "frivolous" in English means: Behaving in a silly way and not serious., Lacking in seriousness or importance..
The phonetic transcription of "frivolous" is /ˈfrɪvələs/ in British English and /ˈfrɪvələs/ in American English. Click the 🔊 button to hear both pronunciations.
Synonyms for "frivolous": lighthearted, trivial, silly, petty, flippant.
Example usage of "frivolous": "She is a frivolous person.". More examples on the page.