Egotistical means self-centered. Someone who is egotistical is usually very self-promoting and thinks of themselves as the best person in the world.
He is very egotistical, and he thinks that he is the best basketball player in the world.
She is very egotistical, and she thinks that she is the best cook in the world.
adjective
characteristic of false pride; having an exaggerated sense of self-importance
Synonyms:
adjective
characteristic of those having an inflated idea of their own importance
Synonyms:
1
The egotist was a selfish young man.
2
The screenwriters depict him as an egotist.
3
They did not say anything to the egotist.
4
The egotist did not make his benefit.
5
The egotist should be able to overcome his weakness.
6
I think he was a ultimately an unwelcome and naive egotist.
7
He's friendly, not an egotist, and curious, and he wants to learn.
8
Among reality TV archetypes, he represents the macho egotist.
9
Relatedly, Mr. Sidaway acknowledges that he is an admitted unabashed egotist.
10
I don't blame him, I would be an egotist too.