"egotistic" in the adjective sense
1. egotistic, egotistical, narcissistic, self-loving
characteristic of those having an inflated idea of their own importance
2. conceited, egotistic, egotistical, self-conceited, swollen, swollen-headed, vain
characteristic of false pride having an exaggerated sense of self-importance
"a conceited fool"
"an attitude of self-conceited arrogance"
"an egotistical disregard of others"
"so swollen by victory that he was unfit for normal duty"
"growing ever more swollen-headed and arbitrary"
"vain about her clothes"
Source: WordNet® (An amazing lexical database of English)
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