Another word for loony

So senseless as to be laughable

• wacky
• sappy
• jerky
• dopey
• dippy
• balmy
• loopy
• crazy
• cockeyed
• zany
• unearthly
• tomfool
• softheaded
• silly
• preposterous
• nonsensical
• moronic
• mad
• lunatic
• insane
• imbecilic
• idiotic
• harebrained
• foolish
• absurd

Afflicted with or exhibiting irrationality and mental unsoundness

• non compos mentis
• crackers
• wacky
• screwy
• nutty
• nuts
• loco
• fruity
• cuckoo
• buggy
• batty
• bananas
• gaga
• daffy
• cracked
• bonkers
• wrong
• unsound
• unbalanced
• touched
• off
• moonstruck
• mentally ill
• maniacal
• maniac
• mad
• lunatic
• insane
• dotty
• distraught
• disordered
• demented
• daft
• crazy
• brainsick

A person regarded as strange, eccentric, or crazy

• weirdo
• weirdie
• screwball
• nut
• kook
• dingbat
• ding-a-ling
• cuckoo
• loon
• crank
• lunatic
• eccentric
• crazy
• crackpot