Refers to egoistic desires or putting one's own interests first, often with a negative connotation.
His actions stem from selfishness.
Abandon self-interest and devote yourself to others.
私欲 also means selfish desire, but is slightly more formal and often used in moral or religious contexts.
Standard kanji spelling.
Rarely used kanji form; 慾 is a variant of 欲.
Compound of 我 (self) and 欲 (desire), literally 'self-desire'.