Synonyms for foolish

Some common synonyms of foolish are: foolish [a.] 1. Senseless, idiotic, silly, weak, daft, simple, irrational, insensate, shallow, brainless, witless, thick-skulled, buffle-headed, shallow-brained. 2. Unwise, unreasonable, absurd, ridiculous, nonsensical, ill-judged, preposterous, indiscreet, imprudent. 3. Idle, trivial, trifling, vain, childish, puerile, contemptible.