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

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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