The quality of being selfish, the condition of putting one's own interests before those of others(noun)
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Use "selfishness" in a sentence
"The latter part of his system is clearly countenanced by the sacred writings; and it does appear to be a stretch of language, to apply the term selfishness to the longing which the sincere Christian feels for the full enjoyment of God."
"It is what I call selfishness, and selfishness is a most detestable thing, especially to any one of my temperament, for I am well known for my sympathetic nature."
"When a man forbids his wife to marry again without losing what he leaves -- it's what I call selfishness after death."