go mad
loco
lose one's mind
go potty
go ham
spaz
not have both oars in the water
drive someone crazy
madden
hystericize
dumb out
insane in the membrane
meshuggener
loony tunes
not right in the head
get one's freak on
not wise
lunatical
insanity
psycho
becraze
gobaloon
hellify
out of one's mind
off one's head
jimjam
crackers
stark raving mad
bughouse
hatstand
nutso
insaniac
gelt
off one's chump
mooner
lunatize
gone fishing
nutzoid
maddening
off the beam
off one's onion
cracked as an egg
off one's rocker
insano
potty
deranged
loony
off the rails
crack up
take leave of one's senses
nut out
hysterically
dementia
derange
crazy as a cootie
insanitarily
crazy as a cootie bug
go bitchcakes
go moggy
insane
maniacal
barking mad
lunatically
flip
lima bean
crazed
insaneness
half-crazed
stark staring mad
madly
crazily
hystericalness
crazen
insanely
go bananas
nutcase
dementedly
have a screw loose
loopy
nutballs
phrenesis
lunately
cuckoo for Cocoa Puffs
bodge
madchild
one brick short of a full load
mentalist
lunatic
hysterization
nuttily
dumb
madman
daftly
balmily
maniac
dottily
cooked
insane in the membrane
meshuggener
loony tunes
not right in the head
not wise
lunatical
psycho
gobaloon
out of one's mind
jimjam
crackers
stark raving mad
bughouse
hatstand
nutso
insaniac
gone fishing
nutzoid
maddening
cracked as an egg
insano
potty
deranged
loony
crazy as a cootie
crazy as a cootie bug
insane
maniacal
barking mad
crazed
half-crazed
stark staring mad
loopy
nutballs
cuckoo for Cocoa Puffs
bodge
one brick short of a full load
cooked
hysterically
insanitarily
lunatically
madly
crazily
insanely
dementedly
lunately
nuttily
daftly
balmily
dottily
insanity
gelt
mooner
dementia
lima bean
insaneness
hystericalness
nutcase
phrenesis
madchild
insano
mentalist
lunatic
hysterization
madman
maniac
go mad
loco
lose one's mind
go potty
go ham
spaz
not have both oars in the water
drive someone crazy
madden
hystericize
dumb out
get one's freak on
becraze
hellify
lunatize
crack up
take leave of one's senses
nut out
derange
go bitchcakes
go moggy
flip
crazen
go bananas
have a screw loose
dumb
English words for 'to go insane'
As you may have noticed, above you will find words for "to go insane". Hover the mouse over the word you'd like to know more about to view its definition. Click 
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