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a complex of unlearned responses characteristic of a species. adj., adj instinc´tive.
death instinct Freud's concept of an unconscious drive toward dissolution and death, in opposition to the life instinct.
herd instinct the instinct or urge to be one of a group and to conform to its standards of conduct and opinion.
life instinct Freud's concept of all the constructive tendencies of the organism aimed at maintenance and perpetuation of the individual and species, in opposition to the death instinct.
the instinct of self-preservation and sexual procreation; the basic urge toward preservation of the species.
Synonym(s): sexual instinct
life in·stinct(līf in'stingkt)
The instinct of self-preservation and sexual procreation; the basic urge toward preservation of the species.