self-interest

noun

self-in·​ter·​est ˌself-ˈin-t(ə-)rəst How to pronounce self-interest (audio)
-ˈin-tə-ˌrest,
-ˌtrest;
-ˈin-tərst
1
: a concern for one's own advantage and well-being
acted out of self-interest and fear
2
: one's own interest or advantage
self-interest requires that we be generous in foreign aid
self-interested
ˌself-ˈin-t(ə-)rə-stəd How to pronounce self-interest (audio)
-ˈin-tə-ˌre-
-ˈin-ˌtre-;
-ˈin-tər-
adjective
self-interestedly adverb
self-interestedness noun

Examples of self-interest in a Sentence

her degree of self-interest is perhaps best reflected in her favorite topic of conversation—herself
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Purposeful leaders transcend self-interest and instead articulate a vision that inspires others to commit, contribute, and thrive. Brent Gleeson, Forbes.com, 28 Mar. 2025 Mike Waltz was right about one thing: Ending Red Sea Houthi attacks is in America's self-interest Nearly 10 million student loan borrowers risk credit hit due to late payments Gas prices vary in different states throughout the country. Washington Examiner Staff, The Washington Examiner, 28 Mar. 2025 Protectionism is a utopian theory based on the assumptions that individuals and businesses will act contrary to their self-interest, government will act in the national interest, and special interests will stay on the sidelines. Caroline Downey, National Review, 27 Mar. 2025 Trump’s tariffs Finally, populist ideas rather than oligarchic self-interest are clearly the motivating factor behind Trump’s highest-risk move: the great tariff experiment. Ross Douthat, Mercury News, 25 Mar. 2025 See All Example Sentences for self-interest

Word History

First Known Use

1595, in the meaning defined at sense 2

Time Traveler
The first known use of self-interest was in 1595

Browse Nearby Words

Cite this Entry

“Self-interest.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/self-interest. Accessed 5 Apr. 2025.

Kids Definition

self-interest

noun
self-in·​ter·​est
ˈsel-ˈfin-trəst,
-ˈfint-ə-rəst
1
: a concern for one's own advantage
acted out of self-interest and fear
2
: one's own interest or advantage

More from Merriam-Webster on self-interest

Last Updated: - Updated example sentences
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