Synonyms of harebrained
- 1 Syllable
- rash, wild
- 2 Syllables
- wacky, loony, flighty, giddy, heedless, loopy, tomfool, scatty, sillier, skittish, witless, nutty, flightier, crazy, silly, dingdong, nuttiest, dizzy, absurd, madcap, dippy, potty, silliest, nuttier, barmy, ditzy, foolish, pottier, swimmy, flightiest, mindless, reckless
- 3 Syllables
- lightheaded, foolhardy, half-baked, bizarre, light-minded, nonserious, inanest, inane, foolheaded, squirrelly, unstable, softheaded, idiotic, frivolous, birdbrained, unsteady, careless, changeable
- 4 Syllables
- agitable, preposterous, precipitant, cockamamy, addlebrained, unsensible, muddleheaded, alarmable, addleheaded, rattlebrained, asinine, uncareful, addlepated, imbecilic, empty-headed, featherbrained, ridiculous, bedlamite, scatterbrained
- 5 Syllables
- inadvisable, ill-considered, irresponsible, unconsidered, unbelievable
- 7 Syllables
- overventuresome