self-interest (noun) egoism/egotism: self-centeredness
Sinonime: arrogance,
assurance, boastfulness, boasting, bragging,
conceit, conceitedness, egocentricity, egomania, gasconade, haughtiness,
insolence, megalomania,
narcissism, ostentation, overconfidence, preoccupation with self,
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, vaunting
Antonime: altruism,
humility, selflessness