PSYCHO Synonyms: 96 Similar and Opposite Words

psycho

adjective

Definition of psycho

informal + disparaging

as in psychotic

unable to think in a clear or sensible way Only someone who is totally psycho could have committed such a heinous crime.

Synonyms & Similar Words

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Antonyms & Near Antonyms

Example Sentences

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Recent Examples of psycho Which is psycho, absolutely psycho. — Ryan Coleman, Entertainment Weekly, 27 May 2026 The key figure turns out to be Alex’s mysterious Aunt Gladys, played in full psycho-biddy drag by Amy Madigan. — Louis Peitzman, Vulture, 8 Aug. 2025

Recent Examples of Synonyms for psycho

Adjective

Simonoff said police have been in contact with Jones' mother in Oregon, who told them her son is psychotic and needs medication.

— ABC News, ABC News, 29 Oct. 2026
Defense attorney Juan Mourin argued that Davis suffered a psychotic episode.

— Anna McAllister, CBS News, 28 Oct. 2026

Definition of psychotic

Adjective

In our era of No Kings rallies, the contemporary political relevance of a mad ruler demanding public displays of fealty is so obvious that Prikryl doesn’t need to press the point very hard.

— Langdon Hammer, New Yorker, 2 Nov. 2026
Heather may or may not be mad that Tamra took selfies with Jenn and not with her.

— Brian Moylan, Vulture, 30 Oct. 2026

Definition of mad

Adjective

President Veto can’t be allowed to hold our country hostage to his maniacal whims anymore.

— Voice of the People, New York Daily News, 7 Nov. 2026
Rihanna’s here, maniacal crowds are lining up outside shows to screech and wave at their favorite stars and days of runway events big and small lie ahead.

— Leah Dolan, CNN Money, 30 Sep. 2026

Definition of maniacal

Adjective

If the map of New York City would be the map of a cell… all mental diseases are all around Times Square.

— Quanta Magazine, Quanta Magazine, 12 Nov. 2026
Those who are attacked are forever changed — many go on to suffer mental and emotional hardships.

— John Chiarello, New York Daily News, 12 Nov. 2026