Globalization, the … Identity definition is - the distinguishing character or personality of an individual : individuality. The condition of being a certain person or thing: What is the identity of the author of the manuscript? Learn more. The assertion of particular identities, and the insistence that respect be paid to them, is a hallmark of our age. How to use identity in a sentence. b. The pioneering identity researcher Erik Erikson first proposed the term “ego identity,” which he conceived as an enduring and continuous sense of who we are. identity definition: 1. who a person is, or the qualities of a person or group that make them different from others: 2…. ties 1. a. Identity definition, the state or fact of remaining the same one or ones, as under varying aspects or conditions: The identity of the fingerprints on the gun with those on … And it is, in his telling, not because people are bad at reasoning or narrow, but because of how discombobulating our age has been.