identity
nounUK /aɪˈden.tɪ.ti/
US /aɪˈden.t̬ə.t̬i/
Who you are, including your name and what makes you you.
The lost dog wore a tag showing its identity.
RELATED WORDS
OTHER MEANINGS
2. The fact of being the same person or thing.
The police confirmed the identity of the missing child.
3. The qualities and beliefs that make a group different from others.
Food is a big part of our family's identity.
4. A mathematical statement that is always true.
In algebra, x + x = 2x is an identity.