self-interest

1 of 2

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

self-interested

2 of 2

adjective

: characterized or motivated by self-interest
self-interestedness
(ˈ)⸗¦⸗(⸗)(ˌ)⸗⸗⸗
noun

Examples of self-interest in a Sentence

Noun her degree of self-interest is perhaps best reflected in her favorite topic of conversation—herself
Recent Examples on the Web
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Noun
Enforcing environmental regulations is entirely defensible self-interest. Charles Edward Gehrke, Fortune, 28 Aug. 2026 None of them matter, not to a president who has taken self-interest to new heights. New York Daily News Editorial Board, New York Daily News, 28 Aug. 2026 China’s foreign policy reflects self-interest and traditional caution regarding military force. Arthur I. Cyr, Chicago Tribune, 18 Aug. 2026 Much of this was done with an American mixture of political self-interest and idealism. Ian Buruma, New Yorker, 10 Aug. 2026 See All Example Sentences for self-interest

Word History

First Known Use

Noun

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 3 Sep. 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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