gaga
in one's head
sick
brainteasing
frail
brain-bending
weak-minded
clouded
pseudopsychopathy
synopticity
psychically
neuropsychopathy
unhinge
fossilise
fossilize
clear-eyed
unhinged
unthinking
lumpish
lumpen
subaudi
brilliance
genius
laborious
touched in the head
faraway
brain cramp
psychomythic
psychomythical
silly
overpensive
senility
doited
discombobulation
Fregoli syndrome
delusion of doubles
specter
mentally deficient person
anoia
psychoneurotically
disorder
out of one's mind
chemically imbalanced
twisted
telepathically
hebetudinous
off one's head
simple-minded
psychogenically
confused