brainless 9 Associations

headless unintelligent (similar term) stupid (similar term)

feebleminded 12 Associations

half-witted slow-witted unintelligent (similar term) stupid (similar term)

half-witted 11 Associations

feebleminded slow-witted unintelligent (similar term) stupid (similar term)

headless 8 Associations

brainless unintelligent (similar term) stupid (similar term)

idiotic 7 Associations

imbecile imbecilic unintelligent (similar term) stupid (similar term)

imbecile 8 Associations

imbecilic idiotic unintelligent (similar term) stupid (similar term)

imbecilic 9 Associations

imbecile idiotic unintelligent (similar term) stupid (similar term)

moronic 7 Associations

unintelligent (similar term) stupid (similar term)

slow-witted 11 Associations

feebleminded half-witted unintelligent (similar term) stupid (similar term)