egocentric
Definitions
Thinking only of oneself, without regard for the feelings or desires of others.
Regarding the self or the individual as the center of all things.
Examples
His egocentric behavior made it difficult for him to maintain long-term friendships.
The toddler's egocentric worldview is a normal stage of early childhood development.
She grew tired of his egocentric attitude, as he constantly steered every conversation back to his own accomplishments.
Synonyms
self-centered narcissistic selfish egotistical self-absorbed conceited vain
Antonyms
altruistic selfless humble modest unselfish considerate generous