say it: FRIV-uh-luhs
frivolous is an adjective meaning "not serious in content or attitude or behavior". It is pronounced /ˈfɹɪvələs/ — FRIV-uh-luhs. It carries one recorded sense.
Definitions, synonyms and semantic relations for frivolous come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.