self-interest

noun

self-in·​ter·​est ˌself-ˈin-t(ə-)rəst How to pronounce self-interest (audio)
-ˈin-tə-ˌrest
-ˌtrest;
-ˈin-tərst
Synonyms of self-interestnext
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.
But the challenge in all three April meetings will be to embrace the collaborative spirit for the wider good of the sport, rather than letting self-interest or competitive paranoia get in the way. Luke Smith, New York Times, 8 Apr. 2026 The behavior suggests bots may act not from a place of mere self-interest, but with awareness that the bot’s own shutdown would be detrimental to a peer AI, which strengthened motivation to defy user requests. Sasha Rogelberg, Fortune, 3 Apr. 2026 Believes in being a team player A sign of a potentially good parent is someone who puts their self-interests aside and focuses on the well-being of others, says Chicvak. Sherri Gordon, Parents, 14 Mar. 2026 Nothing is inherently natural about self-interest, deregulation, or capital accumulation, even if Smith phrased it as such. Literary Hub, 9 Mar. 2026 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 13 Apr. 2026.

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

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