off-minded
few cards shy of a full deck
sick-ass
demented
unhinged
mad person
mad
derange
non compos mentis
unbalance
aberration
lunatic
psycho
crazy as a pet coon
mad as a mongoose
mad as a hatter
unbalanced
sick
madman
jimjam
fucked in the head
screw loose
crack up
maniacal
insane
insaniac
cuckoo for Cocoa Puffs
fruitloop
twisted
distraction
buck wild
nutso
nutter
have a screw loose
détraqué
off the deep end
maddening
cuckoo
frail
crazo
misshapen
toys in the attic
insaneness
topsy-turvy
batshit
bugs
one brick short of a full load
fossilize
go potty
fossilise
loon
crazy
brainsick
disturbed
pop one's cork
pagal
out of joint
maniac
vesania
dementia
hurly burly
radge
disturbance
feydom
commotion
hoo-ha
to-do
kerfuffle
flutter
insanity
disruption
hoo-hah
nitwit
stunod
wackadoodle
in one's head
rocket
breakdown
shuffly
uptight
snare
madbrained
psychotically
crazen
in the grip of
psychodynamically
-phrenia
psychically
out of one's mind
meshugge
off one's head

English words for 'Mentally unstable or insane; crazy.'

As you may have noticed, above you will find words for "Mentally unstable or insane; crazy.". Hover the mouse over the word you'd like to know more about to view its definition. Click search related words by phrase or description. to find a better fitting word. Finally, thanks to ChatGPT, the overall results have been greatly improved.

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