IPA: /ˌpɜːrsəˈnæləti/
KK: /pɜrˈsɒnəlɪti/
The unique set of traits and characteristics that make a person who they are, including their behavior, emotions, and social interactions.
Her outgoing personality makes her very popular at parties.
Personality → It is formed from "persona" (from Latin, meaning mask or character) and the suffix "-ity" (meaning the state or condition of). The word "personality" refers to the state or condition of being a character or individual, often reflecting one's traits and behaviors.
Think of a 'mask' ('persona') that represents someone's character or traits — that's what personality means, the state of being a particular character.