Medical Dictionary
instinctivist
noun in·stinc·tiv·ist \-tiv-əst\
Medical Definition of INSTINCTIVIST
: a person who views human behavior and social adaptation as the resultant of the interplay of various instinctive drives (as for survival) with environmental factors (as group relations)
—instinctivist or in·stinc·tiv·ist·ic \in-ˌstiŋ(k)-tiv-ˈist-ik\ adjective
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