9 Grammatical Pitfalls


[sahy-kot-ik] /saɪˈkɒt ɪk/
Psychiatry. of or relating to psychosis: psychotic symptoms;
psychotic delusion.
(loosely) mentally unstable:
The man who threw a stone through the convenience store window must be psychotic.
intensely upset, anxious, or angry; crazy:
My dad gets so psychotic when I come home even a little bit late.
Psychiatry. a person afflicted with psychosis.
(loosely) someone who is mentally unstable:
I always cross the street when I have to go past that homeless shelter; it's full of psychotics.
Synonyms: nut, kook, cuckoo, loony, loon.
someone who exhibits extreme emotion or behavior:
My brother turns into a complete psychotic whenever his team loses.
Synonyms: lunatic, maniac, psycho.
Origin of psychotic
1885-85; psych(osis) + -otic
Related forms
psychotically, adverb
nonpsychotic, adjective
semipsychotic, adjective
unpsychotic, adjective
Can be confused Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for psychotic
  • Antipsychotic drugs can help decrease or stop the psychotic symptoms and bizarre behavior.
  • In her sophomore year, she suffered a psychotic break and had to be hospitalized and to withdraw from college.
  • His elder brother suffered horribly and later became psychotic.
  • The drug elevates aggression levels and psychotic behavior, often generating fierce outbursts.
  • Two drugs that doctors have long used to treat malaria and certain psychotic illnesses may one day find a new use.
  • The theories run the gamut ranging from personality disorders to affective disorders to psychotic disorders.
  • Being a psychotic may not make you successful, but it helps.
  • Actions deemed odd, psychotic or even barbaric by one culture may be perfectly acceptable to another.
  • And those who go long enough without sleep are at risk of a psychotic break, complete with hallucinations.
  • The writer is using testosterone rather than synapses to do his thinking, and is displaying paranoid psychotic behaviour patterns.
British Dictionary definitions for psychotic


of, relating to, or characterized by psychosis
a person experiencing psychosis
Derived Forms
psychotically, adverb
Usage note
It is preferable to talk about a person experiencing psychosis rather than a psychotic, which reduces a person's individuality
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for psychotic

1889, coined from psychosis, on the model of neurotic/neurosis, from Greek psykhe- "mind, soul" (see psyche).


"a psychotic person," 1901, from psychotic (adj.).

Online Etymology Dictionary, © 2010 Douglas Harper
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psychotic in Medicine

psychotic psy·chot·ic (sī-kŏt'ĭk)
Of, relating to, or affected by psychosis. n.
A person affected by psychosis.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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psychotic in Science
Plural psychoses (sī-kō'sēz)
A mental state caused by psychiatric or organic illness, characterized by a loss of contact with reality and an inability to think rationally. A psychotic person often behaves inappropriately and is incapable of normal social functioning.

psychotic adjective (sī-kŏt'ĭk)
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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