Learner's definition of IDENTITY
1 : who someone is : the name of a person
The identity of the criminal/victim is not known.
The face of the witness was hidden in order to protect her identity. [=to keep her name from being known]
The documents proved/established his identity. [=proved/established who he was]
They produced their passports as proof of their identities.
2 : the qualities, beliefs, etc., that make a particular person or group different from others
As children grow, they establish their own identities.
She did not want to be known only as the wife of her husband. She insisted on having her own identity. [=on being known for her own qualities, achievements, etc.]
people who seem to lack individual identity
He has a strong sense of personal identity. [=a strong feeling about exactly the kind of person he is]
His art reflects his cultural/racial identity.