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.
The most important reason for most medical interventions, as Singer acknowledges, is the financial self-interest of those who benefit from the regulations. John C. Goodman, Forbes.com, 12 May 2025 Crypto is a conduit for the self-interest that has defined Trump’s entire political career—an M.O. that has consistently blurred the boundary between public and private, country and party. Will Gottsegen, The Atlantic, 9 May 2025 More optimistic analysts pointed to Alphabet’s own AI innovations, led by Gemini, a strong suite of products, the difference between search queries asked in AI versus traditional search questions and the Apple executive’s own self-interest in his Wednesday remarks. Lisa Kailai Han, CNBC, 8 May 2025 Motivated only by strategic self-interest, political leaders and military commanders planned the use of harsh measures against soldiers and people, carefully weighing the advantages and disadvantages. Foreign Affairs, 22 Apr. 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 21 May. 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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