eco·​log·​i·​cal | \ ˌē-kə-ˈlä-ji-kəl How to pronounce ecological (audio) , ˌe-kə- How to pronounce ecological (audio) \
variants: or less commonly ecologic \ ˌē-​kə-​ˈlä-​jik How to pronounce ecologic (audio) , ˌe-​kə-​ \

Definition of ecological

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.

Other Words from ecological

ecologically \ ˌē-​kə-​ˈlä-​ji-​k(ə-​)lē How to pronounce ecologically (audio) , ˌe-​kə-​ \ 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

First Known Use of ecological

1879, in the meaning defined at sense 2

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The first known use of ecological was in 1879

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eco·​log·​i·​cal | \ ˌē-kə-ˈlä-ji-kəl, ˌe-kə-\

Kids Definition of ecological

: of or relating to the science of ecology or the patterns of relationships between living things and their environment There was no ecological damage.

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More from Merriam-Webster on ecological

Spanish Central: Translation of ecological

Nglish: Translation of ecological for Spanish Speakers

Britannica English: Translation of ecological for Arabic Speakers

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