Synonyms of demented

demented

adjective

di-ˈmen-təd 

as in psychotic

unable to think in a clear or sensible way

a thoughtful movie about a demented man trying to survive on the street

Synonyms & Similar Words

• psychotic
• insane
• mad
• maniacal
• mental
• crazy
• crazed
• psycho
• deranged
• disturbed
• nuts
• unhinged
• unbalanced
• depressed
• loco
• foolish
• nutty
• eccentric
• strange
• cracked
• batty
• around the bend
• certifiable
• daft
• irrational
• queer
• non compos mentis
• bonkers
• obsessed
• brainsick
• off
• fey
• unsound
• out to lunch
• haywire
• distracted
• ballistic
• bats
• distraught
• disordered
• loopy
• delirious
• crackers
• delusional
• delusionary
• hysterical
• frantic
• nuclear
• aberrant
• oddball
• unreasonable
• wud
• dotty
• off one's rocker
• off one's head
• off one's gourd
• odd
• out of one's head
• pixilated
• touched
• witless
• berserk
• monomaniacal
• ape
• raving
• potty
• frenzied
• senseless
• monomaniac
• wigged-out
• fixated
• teched
• bananas
• amok

Antonyms & Near Antonyms

• sound
• sane
• balanced
• reasonable
• rational
• clear
• lucid
• normal
• sensible
• wise
• compos mentis
• judicious
• healthy
• uncrazy
• well-adjusted
• unneurotic

Example Sentences

Recent Examples of demented

And his demented majesty has no intention of going gentle into that good night. — Theater Critic, Los Angeles Times, 13 May 2026

In our times, whether a demented president would order an unwarranted nuclear attack is just one ominous concern. — Sun Sentinel Editorial Board, Sun Sentinel, 17 Apr. 2026

Cage fans already knew the actor could play twisted roles well, but his demented performance as the Satan-worshipping killer still disturbed and delighted audiences. — Angelique Jackson, Variety, 14 Apr. 2026

Along with all her obligations, Tonina is taking care of her demented and bedridden mother. — Matthew Carey, Deadline, 8 Apr. 2026