gila
funny in the head
berko
bugfuck
round the bend
one fry short of a Happy Meal
meshugge
cracky
up the wall
batty
daft
siao
bonkers
three stops short of Dagenham
toppy
fruity
kee siao
bats
nut-bar
doolally tap
off one's dot
distraught
nuts
bananas
mad as a box of frogs
spitting mad
screwy
doolally
crazy as a bedbug
cuckoo for Cocoa Puffs
meshuggener
not right in the head
gobaloon
loony tunes
yampy
flip out
round the twist
wud
insane in the membrane
flip
off the beam
off one's onion
nutzoid
nutty
gone fishing
off one's rocker
dement
out of one's tree
détraqué
headbanger
out of one's box
madperson
off one's box
off one's tree
out of one's gourd
crazy as a pet coon
mad as a hatter
mad as a mongoose
madden
lunatic
huffy-puffy
daffiness
hair-on-fire
reality challenged
becrazed
off one's rocket
hatstand
crackers
bughouse
off one's chump
nutso
daffy
jimjam
addleheaded
go crazy
idiot
addlepated
madness
nutballs
beaked off
fatuitous
balmy
dym
out of one's mind
spleened
lameoid
Frankenstein
plumb crazy
off one's head
browned off
torqued
half-cracked
go bananas
inane
asinine
hacked off
tomfool
fatuous
mordacious

English words for 'mad; crazy; insane'

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