the quality of being selfish; the condition of putting one's own interests before those of others.

plural of selfishness

Holding one's own self-interest as the standard for decision making. / Having regard for oneself above others’ well-being.

(proscribed) comparative form of selfish: more selfish

Synonym of rational egoism (“theory espoused by Ayn Rand”)

(evolutionary theory) The gene regarded as the primary driver and beneficiary of the evolutionary process.

A DNA sequence that spreads by forming additional copies of itself within the genome and makes no specific contribution to the reproductive success of its host organism.

plural of selfish gene