Synonyms of brain-dead

brain-dead

adjective

ˈbrān-ˌded 

as in dumb

not having or showing an ability to absorb ideas readily

it seems like she's always doing some brain-dead thing or another

Synonyms & Similar Words

• dumb
• stupid
• slow
• simple
• thick
• ignorant
• idiotic
• dull
• dense
• foolish
• brainless
• mindless
• unintelligent
• dopey
• vacuous
• doltish
• witless
• obtuse
• fatuous
• boneheaded
• bonehead
• silly
• weak-minded
• thickheaded
• soft
• insane
• senseless
• oafish
• opaque
• irrational
• dim
• dim-witted
• empty-headed
• lamebrain
• mad
• unreasonable
• pinheaded
• dorky
• gormless
• dunderheaded
• crazy
• moronic
• half-witted
• slow-witted
• knuckleheaded
• airheaded
• softheaded
• chuckleheaded
• lunkheaded
• bubbleheaded
• unsmart
• thick-witted
• cretinous
• imbecile
• birdbrained
• feebleminded
• uninformed
• simpleminded
• absurd
• uneducated
• unthinking
• illiterate
• fool
• unintellectual
• loony
• asinine
• lowbrow
• nonsensical
• cuckoo
• zany
• untaught
• illogical
• dippy
• wacky
• daft
• nutty
• daffy
• invalid
• kooky
• sappy
• harebrained
• unwise
• preposterous
• crackpot
• screwball
• fallacious
• dotty
• half-baked
• balmy
• cockeyed
• boobish
• tomfool
• featherheaded

Antonyms & Near Antonyms

• intelligent
• brilliant
• smart
• clever
• quick
• bright
• apt
• sharp
• fast
• keen
• acute
• ingenious
• nimble
• resourceful
• wise
• cerebral
• thinking
• intellectual
• savvy
• astute
• brainy
• perceptive
• knowing
• insightful
• literate
• sagacious
• keen
• knowledgeable
• discerning
• erudite
• skilled
• supersmart
• quick-witted
• informed
• learned
• hyperintelligent
• sage
• scholarly
• sharp-witted
• educated
• trained
• ultrasmart
• perspicacious
• shrewd
• sane
• sapient
• wily
• cunning
• reasonable
• sound
• sensible
• crafty
• highbrow
• logical
• rational
• valid
• percipient
• prudent
• well-read
• judicious
• schooled
• foxy

Example Sentences

Recent Examples of brain-dead

He was declared brain-dead that day and taken off life support two days later. — City News Service, Daily News, 30 Mar. 2026

The Milwaukee County Medical Examiner classified Robinson as brain-dead on March 2, issuing what is known as a demographic report, a document the office routinely issues following someone's death. — David Clarey, jsonline.com, 5 Mar. 2026

The vast majority of organ donations once came from people who were brain-dead. — ABC News, 26 Feb. 2026

He was reportedly revived at a hospital but was declared brain-dead and removed from life support. — Bonny Chu, FOXNews.com, 10 Dec. 2025