RichThesaurus
with a screw loose
with a screw loose
synonyms
non compos mentis
out of one's mind
nutty
off one's head
off one's rocker
batty
away with the fairies
barmy
not all there
insane
unbalanced
around the bend
mad
touched
deranged
demented
screwy
crackers
barking mad
squirrelly
nutso
cuckoo
not in one's right mind
crazy
unhinged
crazed
bonkers
not the full shilling
off one's trolley
round the twist
buggy
loony
mental
mad as a hatter
out of one's head
wacko
mad as a March hare
raving mad
loopy
bananas
nutsy
barking
loco
disturbed
unstable
sectionable
nutty as a fruitcake
nuts
gaga
not right upstairs
more synonyms
with a screw loose
antonyms
sane
balanced
stable
well adjusted