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