Synonyms of light-minded

1 Syllable

light, flip, gay

2 Syllables

barmy, pointless, childish, foolish, idle, dizzy, paltry, petty, flighty, giddy, shallow, playful, flippant, minor, niggling

3 Syllables

frivolous, nonserious, unprofound, sportive, puerile, senseless, idiotic, whimsical, facetious

4 Syllables

unimportant, peripheral, volatile, empty-headed, featherbrained, juvenile, tongue-in-cheek, impractical, superficial, harebrained, harum-scarum, scatterbrained

5 Syllables

ill-considered