mad as a box of frogs
crazy as a bedbug
nuts
daft
nut-bar
siao
fruity
kee siao
up the wall
cracky
bats
batty
three stops short of Dagenham
plumb crazy
toppy
bonkers
bananas
off one's dot
funny in the head
distraught
crazy as a cootie
crazy as a cootie bug
stark raving mad
becrazed
cracked as an egg
unglued
out of one's mind
off one's head
off the beam
nutzoid
off one's onion
off one's rocker
doolally tap
gone fishing
insane in the membrane
loony tunes
barking mad
berko
bugfuck
gila
one fry short of a Happy Meal
off one's chump
lunatic
crackers
hatstand
nutso
bughouse
nutty
gobaloon
nutballs
not right in the head
meshuggener
stark staring mad
meshugge
cuckoo for Cocoa Puffs
potty
insano
deranged
off the rails
loony
insaniac
round the bend
doolally
lunatical
mad as a March hare
mad
looney tunes
demented
reality challenged
off one's rocket
mad as a meat axe
not wise
détraqué
overhysterical
mentalist
mad as a fish
insanity
off one's trolley
darned
wud
round the twist
mad as a cut snake
flip out
mooner
flip
gelt
maniacal
Ophelian
loco
psycho
nucking futs
phrenesis
tamping
go mad
crazy-ass
half-cracked

English words for 'Completely mad; insane; crazy.'

As you may have noticed, above you will find words for "Completely mad; 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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