noun which may take the genitive case particle 'no', na-adjective, noun
unselfish; selfless; disinterested
Describes a person, attitude, or action free from personal interest or selfish motives. Often used in formal or written contexts.
彼の無私の献身に皆が感動した。
Everyone was moved by his selfless dedication.
無私な態度で問題に取り組む。
Tackle the problem with a disinterested attitude.
Compound of 無 (mu, 'without') and 私 (shi, 'self' or 'private interest'). The word directly conveys the idea of being without selfishness.