Synonyms of brainless in English:

brainless


See definition of brainless

adjective

1‘they behave as if they are totally brainless’

SYNONYMS

stupid, foolish, witless, unintelligent, ignorant, mindless, idiotic, imbecilic, imbecile, half-witted, simple-minded, silly, empty-headed, half-baked

informal dumb, brain-dead, moronic, cretinous, thick, as thick as two short planks, thickheaded, dopey, dozy, birdbrained, pea-brained, pinheaded, dippy, lamebrained, dunderheaded, wooden-headed

British informal divvy

Northern English Scottish informal glaikit

North American informal dumb-ass, chowderheaded

South African informal dof

West Indian informal dotish

ANTONYMS

bright, intelligent, clever