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\ ˈbrān-ˌded 
\
\Definition of brain-dead
1 : characterized by brain death
2 : lacking intelligence or vitality
brain-dead fools
Synonyms & Antonyms for brain-dead
Synonyms
- airheaded,
- birdbrained,
- bonehead,
- boneheaded,
- brainless,
- 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,
- stupid,
- thick,
- thick-witted,
- thickheaded,
- 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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More Definitions for brain-dead
brain-dead
adjectiveEnglish Language Learners Definition of brain-dead
medical : showing no sign of activity in the brain : having no brain function
informal : very stupid : not able to function normally
See the full definition for brain-dead in the English Language Learners Dictionary
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Time Traveler for brain-dead
The first known use of brain-dead was in 1972
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