frivolous C2+ Topic:Describing Qualities US /ˈfrɪvələs/ UK /ˈfrɪvələs/ See IPA manual Meanings 1 adj not serious or sensible; carelessly silly or trivial The judge dismissed the frivolous lawsuit at once. Thesaurus Synonyms 1 adj · not serious or sensible;... trivialsillyflippantsuperficialpettyidleinanelighthearted ↔ Opposites seriousgravesensibleearnestimportant Word family Forms frivolishnessfrivolousness Derived forms frivolouslyfrivolousnessfrivolity Etymology AI details From Latin frivolus ('silly, empty, worthless, trifling'), perhaps related to friare ('to crumble, rub away'). frÄ«volus Latin View etymology graph -> Topics Describing Qualities Word Formation & Derivatives External links Google Images Cambridge Dictionary Wiktionary # frivolous **Type:** Word **Level:** C2+ **Part of speech:** adj **IPA (US):** /ˈfrɪvələs/ **IPA (UK):** /ˈfrɪvələs/ ## Meanings 1. not serious or sensible; carelessly silly or trivial ## Examples - The judge dismissed the frivolous lawsuit at once. ## Synonyms - trivial - silly - flippant - superficial - petty - idle - inane - lighthearted ## Antonyms - serious - grave - sensible - earnest - important ## Derived Forms - frivolously - frivolousness - frivolity ## Roots and Affixes - Root: frÄ«volus ## Etymology From Latin frivolus ('silly, empty, worthless, trifling'), perhaps related to friare ('to crumble, rub away'). ## AI Etymology Frivolous comes from Latin frivolus ('silly, empty, worthless, trifling'), perhaps related to friare ('to crumble, rub away'). The historical trail runs through Latin frÄ«volus. In modern use it means not serious or sensible; carelessly silly or trivial. Derived formations include frivolously, frivolousness, frivolity. ## Topics - Describing Qualities - Word Formation & Derivatives markdown