|1.||[ noun ] the distinct personality of an individual regarded as a persisting entity|
: "you can lose your identity when you join the army"
|Related terms:||personality identification personhood gender_identity identify|
|2.||[ noun ] collective aspect of the set of characteristics by which a thing is recognizable or known|
|Related terms:||recognition name|
|3.||[ noun ] (mathematics) an operator that leaves unchanged the element on which it operates|
"the identity under numerical multiplication is 1"
|4.||[ noun ] exact sameness|
"they shared an identity of interests"
|Related terms:||sameness oneness selfsameness identify|