variants or less commonly ecologic
1
: of or relating to the science of ecology
ecological studies
2
: of or relating to the environments of living things or to the relationships between living things and their environments
The ecological effects of the turf monoculture become even more troubling as large tracts, such as golf courses, displace whole ecosystems in a single stroke.—Adelheid Fischer
In every community in nature, each type of organism has its own specialized role to play in what is called an ecological niche.—William Threlfall
Rush was scoffing at concerns that the schools of sharks gathering off the coast of Florida might be an indication of some harmful ecological change.—Al Franken
The chief of a new environmental protection committee, Fyodor Morgun, blamed the "ill-considered drive to build gigantic plants" for a Pandora's box of ecological problems, including air and water pollution.—William R. Doerner et al.
3
: of or relating to human ecology
Ecological data suggest that in rural areas the availability of family physicians is associated with reduced mortality rate after adjustment for demographic and economic factors.—Peter Franks et al.
ecologically adverb
… an ecologically rich river basin … —Cultural Survival Quarterly
Sustainable agricultural practices involve making choices that are not only ecologically sound but also economically viable and socially just. —Karin Springen

Examples of ecological in a Sentence

Recent Examples on the Web
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The natural criteria consider exceptional natural beauty, significant stages in the Earth’s geological history, ongoing ecological and biological processes, and habitats important for conserving biodiversity. — Karina Acharya, Condé Nast Traveler, 4 Nov. 2026 In Colombia’s mountains, two Iku people best friends Marcelo and Anibal prepare a rite to save the world from ecological decimation. — John Hopewell, Variety, 2 Nov. 2026 Hueval said researchers are trying to fill is the ecological effect of oil spills in freshwater systems. — Finnegan Belleau, Chicago Tribune, 1 Nov. 2026 This demographic growth is premised on ecological deregulation, a breaking of the various barriers that hold population numbers in check. — Literary Hub, 23 Oct. 2026 See All Example Sentences for ecological

Word History

First Known Use

1879, in the meaning defined at sense 2

Time Traveler
The first known use of ecological was in 1879

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Cite this Entry

“Ecological.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ecological. Accessed 7 Nov. 2026.

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