unhinged

adjective

un·​hinged ˌən-ˈhinjd 

: highly disturbed, unstable, or distraught

attacked by an unhinged extremist

Somewhere along the way, her pursuit of a hot guy turned into unhinged obsession.

—Cosmopolitan

"Is this a new brand of humour? Or is your brain really unhinged?" inquired Tommy.

—Agatha Christie

see also unhinge

Synonyms

• balmy
• barmy [chiefly British]
• bats
• batty
• bedlam
• bonkers
• brainsick
• bughouse [slang]
• certifiable
• crackbrained
• cracked
• crackers
• crackpot
• cranky [dialect]
• crazed
• crazy
• cuckoo
• daffy
• daft
• demented
• deranged
• fruity [slang]
• gaga
• haywire
• insane
• kooky
• kookie
• loco [slang]
• loony
• looney
• loony tunes
• looney tunes
• lunatic
• mad
• maniacal
• maniac
• mental
• meshuga
• meshugge
• meshugah
• meshuggah
• moonstruck
• non compos mentis
• nuts
• nutty
• psycho
• psychotic
• scatty [chiefly British]
• screwy
• unbalanced
• unsound
• wacko
• whacko
• wacky
• whacky
• wud [chiefly Scottish]

Examples of unhinged in a Sentence

destined to become one of the nation's most notorious serial killers, he apparently became unhinged as a result of being abandoned as a young teen

Recent Examples on the Web

At the film’s press conference, which drew more than 1,000 members of the media, Coppola struck many as a bit unhinged. —Scott Feinberg, The Hollywood Reporter, 15 May 2024

As the specter of Lestat, Reid is more alluring and more unhinged than he’s ever been. —Alison Herman, Variety, 12 May 2024

Word History

First Known Use

1652, in the meaning defined above