- 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
SynonymsSee more synonyms on Thesaurus.com
1. charitable, generous, philanthropic; benevolent, unselfish.
1. self-centered, selfish, mean.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for altruistically
Selfishly, altruistically, the story was the thing for him to do.To Him That Hath
But the girl he saw from the car window—did she also appeal to him altruistically?The Little Brown Jug at Kildare
The three women fell to wrangling, altruistically, of course, over the two front seats.What Will People Say?
The lieutenant, being young himself, was not so cautiously and altruistically apprehensive.The Storm Centre
Charles Egbert Craddock
Word Origin and History for altruistically
Online Etymology Dictionary, © 2010 Douglas Harper