Noah Webster's Dictionary (n.) The quality or state of being selfish; exclusive regard to one's own interest or happiness; that supreme self-love or self-preference which leads a person to direct his purposes to the advancement of his own interest, power, or happiness, without regarding those of others.

Multi-Version Concordance Selfishness (4 Occurrences) Luke 11:39 The Master however said to him, "Here we see how you Pharisees clean the outside of the cup or plate, while your secret hearts are full of greed and selfishness. (WEY) Galatians 5:20 idolatry, sorcery, hatred, strife, jealousies, outbursts of anger, rivalries, divisions, heresies, (See RSV) Philippians 2:3 nothing in rivalry or vain-glory, but in humility of mind one another counting more excellent than yourselves -- (See NAS RSV) Proverbs 18:1 An unfriendly man pursues selfishness, and defies all sound judgment. (WEB)