environmentalist

1 of 2

noun

en·​vi·​ron·​men·​tal·​ist in-ˌvī-rə(n)-ˈmen-tə-ləst How to pronounce environmentalist (audio)
-ˌvī(-ə)r(n)-
plural environmentalists
: an advocate of environmentalism : a person who is focused on the preservation, restoration, and improvement of the natural environment
While dams have been touted in the name of water conservation and clean, renewable energy, environmentalists have long challenged the claim that dams are "green" technology. The deleterious ecological impacts of dams, they insist, have been profound.Patrick Joseph
Meanwhile, environmentalists have responded that climate change and habitat loss due to development should require builders to think even more carefully about their projects.Emma Cotton et al.

environmentalist

2 of 2

adjective

: of, relating to, or supporting environmentalism
Rachel Carson's Silent Spring is widely recognized as the founding document of the environmentalist movement.James McWilliams
I was there during the Global Climate Action Summit, a convergence of world leaders, politicians, and environmentalist bigwigs determined to compensate for Trump's withdrawal from the Paris Agreement.Ash Sanders
In particular, economic shocks … may have implications for the way people think about climate change and the extent to which they are willing to vote for parties that are more environmentalist.Charlotte Bez et al.

Examples of environmentalist 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.
Noun
But Parton was also a noted environmentalist, and even released a song about climate change in 2023. Andrew Paul, Popular Science, 26 Aug. 2026 California’s program is also being challenged in court by environmentalists who say the law doesn’t go far enough. Lizzie Kane, Sacbee.com, 25 Aug. 2026 Another cruise is led by an environmentalist and is dedicated to helping riders learn more about sea creatures. Tara Massouleh McCay, Southern Living, 23 Aug. 2026 But environmentalists and other critics contend data centers consume large amounts of water and energy, generate noise and electronic waste and create relatively few long-term jobs. Bart Jansen, USA Today, 21 Aug. 2026 See All Example Sentences for environmentalist

Word History

First Known Use

Noun

1903, in the meaning defined above

Adjective

1921, in the meaning defined above

Time Traveler
The first known use of environmentalist was in 1903

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Cite this Entry

“Environmentalist.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/environmentalist. Accessed 1 Sep. 2026.

Kids Definition

environmentalist

noun
en·​vi·​ron·​men·​tal·​ist -ˌvī-rən-ˈment-ᵊl-əst How to pronounce environmentalist (audio)
-ˌvī(-ə)rn-
: a person concerned about environmental quality and especially with controlling pollution

Medical Definition

environmentalist

noun
en·​vi·​ron·​men·​tal·​ist -ᵊl-əst How to pronounce environmentalist (audio)
1
: an advocate of environmentalism
2
: one concerned about environmental quality especially of the human environment with respect to the control of pollution
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