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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

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 Caroline Ellison, a fellow effective altruist from Jane Street.

From Reuters Oct. 2, 2023

He has remade himself as an altruist, a philanthropist, and he means for his efforts to have maximum impact.

From Slate Aug. 5, 2023

We cannot deny that the altruist, endowed with strong sentiments of sympathy and duty, is an excellent social worker, while the pure egoist constitutes an element of decomposition for society.

From The Sexual Question A Scientific, psychological, hygienic and sociological study by Auguste Forel

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