Dictionary.com
Thesaurus.com
Synonyms

altruist

American  
[al-troo-ist] / ˈæl tru ɪst /

noun

  1. a person unselfishly concerned for or devoted to the welfare of others (opposed to egoist).


Other Word Forms

Etymology

Origin of altruist

1865–70; < French altruiste; see altruism, -ist

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Less than three dozen people picketed outside of OpenAI’s offices, but the demonstration sparked a bitter feud on an effective altruist forum.

From The Wall Street Journal Jul. 12, 2026

Starring Vanessa Williams as the titular prima donna, the brilliantly named Ebony Scrooge, the film follows Ebony’s transformation from penny-pinching pop star to charitable altruist.

From Salon Dec. 24, 2025

But to buy the property at current market rates without jacking up rents, even an altruist would have to come up with some unlikely financial wizardry.

From Los Angeles Times Dec. 12, 2024

He brought on Gary Wang, an old friend from math camp, and later Ellison, a fellow effective altruist from Jane Street.

From Reuters Nov. 3, 2023

Some of them believed him to be an altruist, while others, without evidence to support their views, regarded him with suspicion.

From Spring Street A Story of Los Angeles by James H. Richardson

Vocabulary.com logo
by dictionary.com

Dictionary.com's Learning Companion

Go beyond just looking up words.
Remember them forever with VocabTrainer.

Start training