al·tru·ism play_w2(“A0234100″) (
l
tr
-
z
m)
n.
1. Unselfish concern for the welfare of others; selflessness.
2. Zoology Instinctive cooperative behavior that is detrimental to the individual but contributes to the survival of the species.
[French altruisme, probably from Italian altrui, someone else, from Latin alter, other; see al-1 in Indo-European roots.]
al
tru·ist n.
tru·ist n.al
tru·is
tic adj.
tru·is
tic adj.al
tru·is
ti·cal·ly adv.
tru·is
ti·cal·ly adv.hm()
The American Heritage® Dictionary of the English Language, Fourth Edition copyright ©2000 by Houghton Mifflin Company. Updated in 2003. Published by Houghton Mifflin Company. All rights reserved.
altruism
Noun
unselfish concern for the welfare of others