tetched (?.)
- abnormal
- bereft of reason
- brainsick
- crackbrained
- cracked
- crazed
- crazy
- daft
- deluded
- demented
- deprived of reason
- deranged
- disoriented
- distraught
- flighty
- hallucinated
- insane
- irrational
- loco
- lunatic
- mad
- maddened
- manic
- mazed
- mental
- mentally deficient
- meshuggah
- moon-struck
- non compos
- non compos mentis
- not all there
- not right
- odd
- of unsound mind
- off
- psycho
- queer
- reasonless
- senseless
- sick
- stark-mad
- stark-staring mad
- strange
- touched
- unbalanced
- unhinged
- unsane
- unsettled
- unsound
- wandering
- witless
