Psycho definition

sīkō
Frequency:
noun
25
3
Mentally deranged; crazy.
adjective
25
3
The mind or mental processes.

Psychology, psychogenesis.

affix
10
2
Psychology; psychological methods, practices, etc.

Psychoanalysis, psychohistory.

affix
10
2
Mental activities or processes.

Psychomotor.

prefix
6
1
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Psycho is defined as mind or mental.

An example of psycho used as a prefix is in the word "psychology," which means the study of the mind.

prefix
3
1

Psychohistory.

prefix
2
0
(colloquial or pejoative) Psychotic, or otherwise insane.
adjective
2
1
(pejorative, slang) A person who acts in a bizarre or dangerous manner.

She complained that he was a psycho for driving at such a high speed in heavy traffic.

noun
2
2
Mind; mental.

Psychogenic.

prefix
1
1
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(pejorative, slang) A person who is psychotic or otherwise insane.

The loony bin up on the hill is full of psychos.

noun
1
1
(informal) A class, at a college or university, in which psychology is taught.

"I've got anthro, socio, lunch, and psycho."

noun
1
1
Psycho is defined as someone or something that is crazy or insane.

Stalking your ex-lover and killing his family pet is an example of behavior that would be described as psycho.

adjective
1
3
adjective
2
5
The definition of a psycho is slang for a crazy or insane person.

An obsessed stalker who threatens to kill his ex-lover is an example of someone who is psycho.

noun
1
5
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Other Word Forms

Noun

Singular:
psycho
Plural:
psychos

Origin of psycho

  • < Gr psychē, breath, spirit, soul: see psyche

    From Webster's New World College Dictionary, 5th Edition

  • Greek psūkho- soul, life from psūkhē bhes- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Wiktionary