Synonyms of softheaded

1 Syllable

daft, mad, weak

2 Syllables

wacky, tomfool, kooky, dotty, silly, simple, fatuous, witless, zany, stupid, loony, doltish, nutty, absurd, nerdy, loopy, brainless, dippy, daffy, jerky, crazy

3 Syllables

insane, imprudent, fantastic, indiscreet, half-baked, lunatic, incautious, senseless, short-sighted, idiotic, unwise, ludicrous, moronic, half-witted, unearthly

4 Syllables

irrational, imbecilic, ill-advised, ridiculous, nonsensical, preposterous, injudicious, harebrained, asinine, feebleminded, cockamamy

5 Syllables

unreasonable, unintelligent, ill-considered