egotism
noun
- drive to maintain and enhance favorable views of oneself
Wiktionary
noun
Etymology: From Latin ego (“I”) + -t- (perhaps modelled on dogmatism, despotism, idiotism) + -ism.
- A tendency to talk excessively about oneself.
- A belief that one is superior to or more important than others.
- The result or product of being egoistic.
- Egoism (belief that behavior should be directed towards one's self-interest).