Definitions

1. pronoun

used to refer to oneself, especially in a boastful or self-important manner

“She thought she was the smartest person in the room, saying ‘moi, I could solve this problem in a second’”

2. interjection

used to express a sense of self-importance or to boast

“Moi, I’m the greatest tennis player of all time!”

3. noun

a person or thing considered to be the most important or impressive

“He was the moi of the party, everyone wanted to talk to him”