altruistic

[ al-troo-is-tik ]
/ ˌæl truˈɪs tɪk /

adjective

unselfishly concerned for or devoted to the welfare of others (opposed to egoistic).
Animal Behavior. of or relating to behavior by an animal that may be to its disadvantage but that benefits others of its kind, often its close relatives.

Origin of altruistic

First recorded in 1850–55; altru(ism) + -istic

Related forms

al·tru·is·ti·cal·ly, adverbhy·per·al·tru·is·tic, adjectivenon·al·tru·is·tic, adjectivenon·al·tru·is·ti·cal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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