Frivolous

مترادف و متضاد frivolous

1. adjective trivial, silly
   Synonyms: barmy, childish, dizzy, empty-headed, facetious, featherbrained, flighty, flip, flippant, foolish, gay, giddy, harebrained, idiotic, idle, ill-considered, impractical, juvenile, light, light-minded, minor, niggling, nonserious, not serious, paltry, peripheral, petty, playful, pointless, puerile, scatterbrained, senseless, shallow, sportive, superficial, tongue-in-cheek, unimportant, unprofound, volatile, whimsical
   Antonyms: grave, mature, sensible, serious, solemn, thoughtful, wise