E'go-ism, n.

n. [Fr. égoïsme, from Lat. ego, I; It. egoismo.]

1. (Philos.) The doctrine of a supposed sect of the disciples of Descartes and G. J. Fichte, who refer the elements of all knowledge to the phenomena of personal existence; subjective idealism.
2. An excessive love of self; the habit of referring all things to one's self, and of judging of every thing by its relation to one's interests or importance; egotism.