Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “altruism”

altruism

noun [U]  /ˈæl·truˌɪz·əm/ us  
the attitude of caring about others and doing acts that help them although you do not get anything by doing those acts: Nobody believes those people are donating money to the president’s party purely out of altruism.
altruistic
adjective  /ˌæl·truˈɪs·tɪk/ us  
altruistic motives
(Definition of altruism from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of altruism?
Add Cambridge dictionaries to your browser to your website

Definitions of “altruism” in other dictionaries

Word of the Day

throw

to send something through the air with force, especially by a sudden movement of the arm

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More