flip one's wig
pop one's cork
go batshit
have a screw loose
irrationalize
spaz
derationalize
screw loose
cognosce
derange
nutburger
wig out
overact
drive someone crazy
to distraction
egomaniacally
wackadoodle
go crazy
irrationally
lose one's wits
space case
lunatize
compulsion
obsession
play silly buggers
crazo
go it blind
loony
delusively
blitheringly
wacko
maddening
psycho
cooked
insane
Nance
nutter
fruitloop
daftly
go potty
dottily
cockamamie
antic
wackily
balmily
freakout
lunatically
nuttily
irrationality
hillbilly
mimp
daredevil
irrationalness
fanatically
irrationalist
batshit
suckhole
think no end of oneself
imbecility
play the fool
insanitarily
bug
fanatical
egocentric
cuckoo for Cocoa Puffs
fool
high falution
take leave of one's senses
asshead
egotistic
set one's hair on fire
sussy baka
impulsivist
go mad
sow one's wild oats
scare someone out of their wits
arsehead
free spirit
freewheeler
ego-trip
loom
go ballistic
voluptuate
improvidently
off the deep end
waterhead
jimjam
shoot one's mouth off
maniacal
free agent
acte gratuit
hyperexaggerate
dotty
self-deception
irrationalistic
ham it up
unbalance

English words for 'To act in an irrational manner or appear to be temporarily insane.'

As you may have noticed, above you will find words for "To act in an irrational manner or appear to be temporarily 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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