Dictionary

psychology

noun psy·chol·o·gy \-jē\

: the science or study of the mind and behavior

: the way a person or group thinks

plural psy·chol·o·gies

Full Definition of PSYCHOLOGY

1
:  the science of mind and behavior
2
a :  the mental or behavioral characteristics of an individual or group
b :  the study of mind and behavior in relation to a particular field of knowledge or activity
3
:  a theory or system of psychology <Freudian psychology> <the psychology of Jung>
psy·chol·o·gist \-jist\ noun
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Origin of PSYCHOLOGY

New Latin psychologia, from psych- + -logia -logy
First Known Use: 1653

Other Psychology Terms

fetish, hypochondria, intelligence, mania, narcissism, neurosis, pathological, psychosis, schadenfreude, subliminal
PSYCHOLOGY Defined for Kids

psychology

noun psy·chol·o·gy \sī-ˈkä-lə-jē\

Definition of PSYCHOLOGY for Kids

:  the science that studies the mind and behavior
Medical Dictionary

psychology

noun psy·chol·o·gy \-jē\
plural psy·chol·o·gies

Medical Definition of PSYCHOLOGY

1
:  the science of mind and behavior
2
a :  the mental or behavioral characteristics typical of an individual or group or a particular form of behavior <mob psychology> <the psychology of arson> b :  the study of mind and behavior in relation to a particular field of knowledge or activity <color psychology> <the psychology of learning>
3
:  a treatise on or a school, system, or branch of psychology
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