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

These are ways in which our brains process social outcomes much like other kinds of gains or losses. — Ashwini Nadkarni, Time, 24 Oct. 2026

Another rose from her chair to update Barbosa on her recent brain surgery. — Kansas City Star, 24 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