the habit of valuing everything only in reference to one's personal interest; selfishness ( opposed to altruism ).

egotism or conceit.

Ethics . the view that morality ultimately rests on self-interest.

noun

altruism , selflessness

noun

arrogance , assurance , boastfulness , boasting , bragging , conceit , conceitedness , egocentricity , egomania , egotism , gasconade , haughtiness , insolence , megalomania , narcissism , ostentation , overconfidence , presumption , pride , self-absorption , self-admiration , self-confidence , self-importance , self-interest , self-love , self-possession , self-regard , self-worship , selfishness , superiority , swellheadedness , vainglory , vanity , vauntingnotes:egoism is an attempt to get excessive personal recognition for yourself while egotism is an exaggerated opinion of your own importance , egocentrism , self-centeredness , self-involvement , amour-propre , ego , vainness