Synonyms of simple-mindedness

1 Syllable

slip, goof

2 Syllables

gaffe, lapse, folly, rashness, error, stumble, miscue, bumble, slip-up, naiveté, foul-up, misspeak, screw-up

3 Syllables

recklessness, gaucherie, foolishness, thoughtlessness, crudeness, misjudgment, hastiness, tactlessness

4 Syllables

indiscretions, imprudence, indiscretion, stupidity, indiscreetness, ingenuousness, unseemliness

6 Syllables

excitability