plural of death instinct

The tendency of an organism to revert to instinctive behaviors that can interfere with the conditioned response.

(sociology) herding instinct.

(sociology) A social tendency in humans to identify with and model many behaviors and beliefs after a larger group of individuals with whom they identify.

Used other than figuratively or idiomatically: see killer, instinct. / (idiomatic) The natural inclination to do whatever is necessary to succeed (including extreme violence)

Art of accurately shooting instinctively, without aiming and concentrating on the target.

(psychoanalysis) Synonym of death drive