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.
Countries give foreign aid for both altruistic and self-interested reasons. Sarah Stroup, The Conversation, 19 Mar. 2025 Zimmerman had argued that while the defendant in his case, William Gregory — charged with drug possession, criminal trespass and shoplifting— had clearly acted out of self-interest and that the vaccine was for the societal good and indicative of Gregory’s rehabilitation. Rocco Parascandola, New York Daily News, 17 Mar. 2025 In this madcap tale of whistleblower Mark Whitacre (Matt Damon), there are no heroes; the satire focuses on American self-interests that stretch beyond the agri-industry powerhouse that Whitcare exposes. David Ehrlich, IndieWire, 14 Mar. 2025 Of course, the global elites who invited war between Hamas and Israel laugh at Trump’s vision for a peace built on self-interest. Frank Miele, Orlando Sentinel, 13 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 25 Mar. 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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