crazy as a cootie
crazy as a cootie bug
out of one's mind
off one's head
bughouse
nutso
off one's chump
hatstand
crackers
barking mad
cracked as an egg
stark raving mad
nutzoid
off one's rocker
gone fishing
off the beam
off one's onion
crazy as a shithouse rat
becrazed
meshuggener
not right in the head
crazy-ass
insano
loony
off the rails
gobaloon
deranged
potty
stark staring mad
loony tunes
insane in the membrane
demented
bananapants
nucking futs
mad as a box of frogs
bananas
cray
jiggy
crazypants
loco
gaga
loced out
bammy
wiggy
buggish
cray-cray
banoodles
nutballs
crazy as a bedbug
lose one's mind
nuts
daft
not wise
reality challenged
lunatical
insaniac
mad as a March hare
cuckoo for Cocoa Puffs
lunatic
mentalist
go mad
unglued
nutsy
nut-bar
loopy
overhysterical
looney tunes
plumb crazy
go potty
mooner
gelt
phrenesis
jimjam
half-cracked
madman
maniac
beyond belief
flooey
nerts
crazily
insanity
psycho
hysterically
radge
fruit
madhead
certifiable
nutball
lima bean
nut
up the wall
cracky
cooked
gobsmacked

English words for 'Completely crazy; insane.'

As you may have noticed, above you will find words for "Completely crazy; insane.". 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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