environmentalism

noun

en·​vi·​ron·​men·​tal·​ism in-ˌvī-rə(n)-ˈmen-tə-ˌli-zəm How to pronounce environmentalism (audio)
-ˌvī(-ə)r(n)-
1
: a political and social movement focused on the preservation, restoration, and improvement of the natural environment
I urge the community to renew our commitment to environmentalism by focusing on the defining issue of our generation: global warming.Dan Wolk
She had embraced environmentalism as a college student, then worked with various NGOs to reduce China's air and water pollution …Lin Yang
Here in the heavy industry heartland of Colombia, environmentalism has old roots and has endured through decades of violence and intimidation.Fatima Garcia Elena
2
dated : a theory that views environment rather than heredity as the important factor in the development and especially the cultural and intellectual development of an individual or group
… an extreme environmentalism developed in psychology and anthropology which minimized, if not denied altogether, any genetic contribution to the differences among human individuals.Ernst Mayr

Examples of environmentalism in a Sentence

Recent Examples on the Web
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When Pandora — the World of Avatar was built in Animal Kingdom at Florida’s Walt Disney World, it was done so with a thesis on themes of conservation and environmentalism more so than a focus on any of the film’s characters. Todd Martens, Los Angeles Times, 11 Aug. 2026 His 2023 book chronicles that the worldwide movement for such structures is not just feel-good environmentalism but based on verifiable research that demonstrates efficacy and benefits. The Christian Science Monitor, Christian Science Monitor, 6 Aug. 2026 The combination has made Van Der Werf popular among Europe’s leaders for his savvy synergy of touting left-leaning environmentalism while supporting right-leaning rural communities. Richard Morgan, Time, 29 June 2026 Which explains our bipartisan environmentalism. Joe Mathews, Mercury News, 18 June 2026 See All Example Sentences for environmentalism

Word History

First Known Use

1917, in the meaning defined at sense 2

Time Traveler
The first known use of environmentalism was in 1917

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Cite this Entry

“Environmentalism.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/environmentalism. Accessed 16 Aug. 2026.

Kids Definition

environmentalism

noun
en·​vi·​ron·​men·​tal·​ism -ˌvī-rən-ˈment-ᵊl-ˌi-zəm How to pronounce environmentalism (audio)
-ˌvī(-ə)rn-
: the act or process of preserving, restoring, or improving the natural environment

Medical Definition

environmentalism

noun
: a theory that views environment rather than heredity as the important factor in the development and especially the cultural and intellectual development of an individual or group

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