A philosophical or psychological term for prioritizing one's own interests or self-centeredness. Often used in contrast with 利他主義 (altruism).
People with strong egoism often don't consider others' feelings.
In ethics class, we discussed the difference between egoism and altruism.
Compound of 自己 (self) and 主義 (principle, -ism). The term is a direct translation of the Western philosophical concept of egoism.