Dictionary
brainless
adjective brain·less \ˈbrān-ləs\
: very stupid or silly
Full Definition of BRAINLESS
: devoid of intelligence : stupid <a brainless decision>
— brain·less·ly adverb
— brain·less·ness noun
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First Known Use of BRAINLESS
15th century
Related to BRAINLESS
- Synonyms
- airheaded, birdbrained, bonehead, boneheaded, brain-dead, stupid, bubbleheaded, chuckleheaded, dense, dim, dim-witted, doltish, dopey (also dopy), dorky [slang], dull, dumb, dunderheaded, empty-headed, fatuous, gormless [chiefly British], half-witted, knuckleheaded, lamebrain (or lamebrained), lunkheaded, mindless, oafish, obtuse, opaque, pinheaded, senseless, simple, slow, slow-witted, soft, softheaded, thick, thickheaded, thick-witted, unintelligent, unsmart, vacuous, weak-minded, witless
- Antonyms
- apt, brainy, bright, brilliant, clever, fast, hyperintelligent, intelligent, keen, nimble, quick, quick-witted, sharp, sharp-witted, smart, supersmart, ultrasmart
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