demented

[dih-men-tid]

adjective

1. crazy; insane; mad.

   Synonyms: unbalanced, deranged, crazed, lunatic

2. affected with dementia.

demented

/ dɪˈmɛntɪd /

adjective

1. mad; insane

Other Word Forms

• dementedly adverb
• dementedness noun
• half-demented adjective
• semidemented adjective

Word History and Origins

Origin of demented¹

First recorded in 1635–45; dement + -ed ²

Example Sentences

It is, at times, delightfully demented, a family film with a weird streak — perhaps at times even a slightly sinister one.

Read more on Los Angeles Times

While Disneyland’s original Haunted Mansion is the one after my heart, the overlay has its charms, namely the demented gingerbread house in the ballroom scene.

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Sam Neill stars in “Madness” as an insurance investigator who, sent to find a missing, bestselling horror author, ends up stumbling into the demented New England small town of the author’s books.

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Last year, for instance, was a “hell hotel,” with rooms themed to demented clowns or terror at sea.

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In response, Jefferies called her “sick,” “demented” and a “stone cold liar.”

Read more on Salon

Related Words

• deranged 
• hysterical 
• mad 
• maniacal 
• manic 
• psychotic 
• unhinged