Main Entry: self·ish

Pronunciation: \ˈsel-fish\

Function: adjective

Date: 1640

1 : concerned excessively or exclusively with oneself : seeking or concentrating on one's own advantage, pleasure, or well-being without regard for others
2 : arising from concern with one's own welfare or advantage in disregard of others <a selfish act>
3 : being an actively replicating repetitive sequence of nucleic acid that serves no known function <selfish DNA>; also : being genetic material solely concerned with its own replication <selfish genes>

— self·ish·ly adverb

— self·ish·ness noun