plural psychos
informal + disparaging
informal + disparaging
: of, relating to, or being a person who is mentally or emotionally unsound or unstable especially in a way that results in dangerous or violent behavior
Examples of psycho in a Sentence
Noun
a story based on a real-life psycho who had serious mother-son issues
Recent Examples on the Web
Shania Russell, EW.com, 14 Sep. 2025
Her biggest oversight was not to have imagined that Cherry — the threat to her family life in the first place, a person capable of throwing an innocent cat out the window — could, and would, out-psycho her.
—Rafaela Bassili, Vulture, 10 Sep. 2025
Louis Peitzman, Vulture, 8 Aug. 2025
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Noun
Wasn't going to jail over that psycho.
—Shania Russell, EW.com, 14 Sep. 2025
Her biggest oversight was not to have imagined that Cherry — the threat to her family life in the first place, a person capable of throwing an innocent cat out the window — could, and would, out-psycho her.
—Rafaela Bassili, Vulture, 10 Sep. 2025
Adjective
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
See All Example Sentences for psycho
Cite this Entry
“Psycho.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/psycho. Accessed 18 Sep. 2025.
Copy CitationKids Definition
psycho-
2 of 2 combining form
: mind : mental processes and activities
psychotherapy
Etymology
Noun
short for psychopath
Combining form
derived from Greek psychē "soul, mind, principle of life"
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