altruism

noun

al·​tru·​ism ˈal-trü-ˌi-zəm 

1

: unselfish regard for or devotion to the welfare of others

charitable acts motivated purely by altruism

2

: behavior by an animal that is not beneficial to or may be harmful to itself but that benefits others of its species

Did you know?

Altruism Has Roots in Latin and French

Altruism refers to a quality possessed by people whose focus is on something other than themselves, and its root reveals the object of those generous tendencies. Altruism derives from the French word autrui, meaning "other people." Autrui, in turn, developed from the Old French term autre, which means "other" and which itself comes from Latin alter, also meaning "other." That Latin source eventually caused a curious thing to happen. Under the influence of alter, the French autrui gave rise to the altrui- of both the French altruisme and the English altruism. The English term has been in service since at least the mid-1800s.

Examples of altruism in a Sentence

A few skimpy corporate pensions were paid, but they were offered as much as departure incentives designed to promote business efficiency as expressions of altruism. —W. Andrew Achenbaum, Wilson Quarterly, Spring 2006

Mary may have ample resources and prefer that her share pass to her children who have greater need and are in lower income tax brackets. (The progressive nature of our tax laws often fosters such altruism among family members.) —William M. McGovern, Jr. et al., Wills, Trusts and Estates, 1988

And he still chokes up when he tells the story. Even at that young age, he understood that what his aunt was doing for him was the purest act of altruism. —Gail Sheehy, New York Times Magazine, 20 Apr. 1986

Recent Examples on the Web

To survive, vampire bats practice reciprocal altruism, sharing regurgitated blood with starving roost-mates—a rare and complex social behavior in the animal kingdom. —Scott Travers, Forbes, 12 Mar. 2025

This has reflected neither sappy altruism nor cynical neoimperialism but an understanding that in the modern world, economics and security need to be handled at something beyond the national level. —Gideon Rose, Foreign Affairs, 8 Mar. 2025

So whichever billionaire prevails in the battle for OpenAI, don’t be fooled by all this talk of altruism. —New York Daily News Editorial Board, New York Daily News, 17 Feb. 2025

Once Trump was elected in 2016, however, U.S. leaders and aid advocates grew reluctant to talk about altruism. —Maany Peyvan, The Atlantic, 12 Feb. 2025

Word History

Etymology

French altruisme, from autrui other people, from Old French, oblique case form of autre other, from Latin alter

First Known Use

1853, in the meaning defined at sense 1

Rhymes for altruism

• autism
• fascism
• racism
• sikhism
• statism
• sufism
• thomism
• tourism
• tropism
• abolitionism
• aldosteronism
• americanism

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Kids Definition

altruism

noun

al·​tru·​ism ˈal-tru̇-ˌiz-əm 

: unselfish interest in the welfare of others

altruist

-tru̇-əst 

noun

altruistic

ˌal-tru̇-ˈis-tik 

adjective

altruistically

-ˈis-ti-k(ə-)lē 

adverb