| identity | |
| 1. n. Sameness, identicalness; the quality or fact of (several specified things) being the same. | |
| 2. n. The difference or character that marks off an individual from the rest of the same kind, selfhood. | |
| 3. n. A name or persona—the mask or appearance one presents to the world—by which one is known. | |
| This criminal has taken on several identities. | |
| 4. n. Sense of who one is. | |
| I've been through so many changes, I have no sense of identity. | |
| This nation has a strong identity. | |
| 5. n. (algebra, computing) Any function which maps all elements of its domain to themselves. | |
| 6. n. (algebra) An element of an algebraic structure which, when applied to another element under an operation in that structure, yields this second element. | |
| 7. n. (Australia, NZ) A well-known or famous person. | |
