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.
If our natural intelligence remains shackled by self-interest and division, then the logical, compassionate actions of AI, unburdened by human interests, political agendas and personal flaws, might be preferable. Cornelia C. Walther, Forbes.com, 26 July 2025 That choice is one of the starkest demonstrations that the regime’s priority of narrow self-interest over the global good won’t be changing anytime soon. Michael Schuman, The Atlantic, 24 July 2025 In a world that increasingly fosters self-interest and social isolation, gospel points me toward something more intimate, more collective. Santi Elijah Holley, New York Times, 22 July 2025 All are motivated by self-interest and jockeying for position in the wake of the Trump presidency, looking to see who can be most effective at blocking the Republican president. Joe Battenfeld, Boston Herald, 19 July 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 1 Aug. 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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