mutualism

noun

mu·​tu·​al·​ism ˈmyü-chə-wə-ˌli-zəm How to pronounce mutualism (audio)
ˈmyü-chə-ˌli-,
ˈmyüch-wə-ˌli-
1
: the doctrine or practice of mutual dependence as the condition of individual and social welfare
2
: mutually beneficial association between different kinds of organisms
mutualist
ˈmyü-chə-wə-list How to pronounce mutualism (audio)
ˈmyü-chə-list
ˈmyüch-wə-list
noun
mutualistic
ˌmyü-chə-wə-ˈli-stik How to pronounce mutualism (audio)
ˌmyü-chə-ˈli-
ˌmyüch-wə-ˈli-
adjective

Examples of mutualism in a Sentence

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.
In the biological sense, this is about mutualism over predation—creating value for others so your presence becomes non-negotiable. Scott Hutcheson, Forbes.com, 31 Mar. 2025 Yet mutual aid/mutualism never seems to get as much attention as conflict/competition does. Matthew Wills, JSTOR Daily, 4 Feb. 2025 And mutualism, as symbiotic cooperation is called in biology, is vital to life itself. Matthew Wills, JSTOR Daily, 4 Feb. 2025 This partnership is an example of mutualism, where both species benefit from the interaction. Jake Parks, Discover Magazine, 3 Feb. 2025 See All Example Sentences for mutualism

Word History

First Known Use

1845, in the meaning defined at sense 1

Time Traveler
The first known use of mutualism was in 1845

Cite this Entry

“Mutualism.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mutualism. Accessed 4 Apr. 2025.

Kids Definition

mutualism

noun
mu·​tu·​al·​ism ˈmyüch-(ə-)wə-ˌliz-əm How to pronounce mutualism (audio)
ˈmyü-chə-ˌliz-
: association between different kinds of organisms that benefits both

Medical Definition

mutualism

noun
: mutually beneficial association between different kinds of organisms
mutualist noun

More from Merriam-Webster on mutualism

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