psycho
[ sahy-koh ]
/ ˈsaɪ koʊ /
noun, plural psy·chos.
a psychopathic or psychotic person.
a crazy or mentally unstable person.
adjective
psychopathic or psychotic.
crazy; mentally unstable.
Origin of psycho
First recorded in 1935–40; by shortening
Words nearby psycho
Definition for psycho (2 of 2)
psycho-
a combining form representing psyche (psychological) and psychological (psychoanalysis) in compound words.
Also
especially before a vowel,
psych-.
Origin of psycho-
< Greek, combining form of
psȳchḗ breath, spirit, soul, mind; akin to
psȳ́chein to blow (see
psykter)
Example sentences from the Web for psycho
British Dictionary definitions for psycho (1 of 2)
psycho
/ (ˈsaɪkəʊ) /
noun, adjective plural -chos
an informal and offensive word for psychopath or psychopathic
See psychopath
British Dictionary definitions for psycho (2 of 2)
psycho-
sometimes before a vowel psych-
combining form
indicating the mind or psychological or mental processes
psychology; psychogenesis; psychosomatic
Word Origin for psycho-
from Greek
psukhē spirit, breath
Medical definitions for psycho (1 of 2)
psycho
[ sī′kō ]
n.
A psychopath.
adj.
Crazy; insane.
Medical definitions for psycho (2 of 2)
psycho-
pref.
Mind; mental:psychogenic.
Mental activities or processes:psychomotor.
Psychology; psychological:psychosocial.