Synonyms of brain

brain 1 of 2

noun

ˈbrān 

1

as in genius

a very smart person

the brains all sit together at lunch

Synonyms & Similar Words

• genius
• wizard
• intellect
• thinker
• nerd
• whiz
• brainiac
• geek
• intellectual
• wiz
• blue
• savant
• sage
• master
• virtuoso
• polymath
• Renaissance man
• natural
• highbrow
• bluestocking
• polyhistor
• ace
• longhair
• crackerjack

Antonyms & Near Antonyms

• idiot
• moron
• pinhead
• dummy
• imbecile
• dope
• dolt
• blockhead
• dunce
• dumbbell
• knucklehead
• goon
• numskull
• illiterate
• hammerhead
• know-nothing
• dodo
• nitwit
• ignoramus
• fathead
• ass
• lowbrow
• fool
• half-wit
• donkey
• philistine
• snake
• heel
• beast
• creep
• jackass
• clown
• skunk
• louse
• jerk
• cretin
• cur
• stinker
• cad
• boor
• lout
• anti-intellectual
• churl

2

as in intelligence

often brains plural the ability to learn and understand or to deal with problems

you have the brains to figure out that problem on your own

Synonyms & Similar Words

• intelligence
• intellect
• sense
• reason
• brainpower
• talent
• smarts
• mentality
• intellectuality
• gray matter
• insight
• headpiece
• wisdom
• aptitude
• mind
• perception
• brilliance
• skull
• intellectualism
• alertness
• judgment
• acumen
• discernment
• perspicacity
• apprehension
• braininess
• common sense
• astuteness
• horse sense
• wit
• discriminability
• sagacity
• highbrowism
• head
• percipience
• eggheadedness
• mother wit
• sapience

Antonyms & Near Antonyms

• density
• dullness
• idiocy
• dumbness
• slowness
• feeblemindedness
• stupidity
• imbecility
• denseness
• foolishness
• dopiness
• fatuity
• senselessness
• doltishness
• simpleness
• half-wittedness

3

as in mind

the part of a person that feels, thinks, perceives, wills, and especially reasons

I'd love to get inside his brain and experience the world as he experiences it

Synonyms & Similar Words

• mind
• psyche
• head
• intellect
• intelligence
• cerebrum
• skull
• thinker
• wisdom
• brilliance
• perception
• insight
• wit
• consciousness
• gray matter
• reason
• judgment
• noodle
• awareness
• alertness
• mentality
• loaf
• acumen
• belfry
• sagacity
• cognizance
• perspicacity
• sapience
• astuteness
• self-awareness
• self-consciousness

brain

2 of 2

verb

as in to skull

Related Words

• skull
• bean
• conk
• cane
• spear
• club
• sap
• stab
• switch
• cudgel
• slash
• cream
• flail
• knee
• deck
• lash
• whip
• sledge
• floor
• butt
• thrash
• kick
• bump
• stroke
• sledgehammer
• push
• level
• tap
• flog
• fell
• dump
• knock down
• poke
• jab
• bowl (down or over)
• shove
• sucker punch
• jostle
• flick
• stamp
• prod
• rabbit-punch
• box
• pepper
• clock
• chop
• rough
• batter
• bunt
• lick
• zap
• cuff
• pummel
• slug
• clout
• hit
• buffet
• mangle
• smack
• bat
• whack
• belt
• bung
• sock
• punch
• whale
• knock
• pelt
• bop
• maul
• bob
• tag
• paste
• crack
• rap
• clap
• lace
• bonk
• smite
• clip
• slap
• scuff
• hammer
• bludgeon
• bang
• thump
• nail
• pommel
• bust
• swipe
• wallop
• drub
• clobber
• pound
• slam
• strike
• swat
• thwack
• bash
• lambaste
• slog
• beat
• biff

Example Sentences

Recent Examples of brain

Noun

Research into the neurobiology of trauma shows that partial memories are normal because the brain may struggle to process information during a traumatic experience, Palumbo said. — Dalia Faheid, CNN Money, 4 Oct. 2026

Functional connectivity in the fetal brain develops substantially later in gestation, with measurable differences in brain activity and facial responses to noxious versus innocuous stimulation appearing at approximately 33 weeks. — Arkansas Online, 3 Oct. 2026

Verb

Retro Rewind is the kind of game that will keep your hands and brain minimally busy while listening to a podcast or watching some rerun on a background TV. — ArsTechnica, 13 Apr. 2026

For example, Google’s state-of-the-art Gemini 3 model was brained on TPUs. — Kif Leswing, CNBC, 4 Feb. 2026