ecological

adjective

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

variants or less commonly ecologic

ˌē-kə-ˈlä-jik 

ˌe-kə-

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

ˌē-kə-ˈlä-ji-k(ə-)lē 

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

Examples of ecological in a Sentence

Recent Examples on the Web

Expert naturalists lead visitors to the Tennessee River’s Maclellan Island, known locally as Goat Island for the goats that help control invasive plant species threatening the island’s ecological health. — Cnt Editors, Condé Nast Traveler, 22 Sep. 2026

Focusing efforts on prairie-dog recovery instead might make a bigger ecological impact, given its role as a keystone species. — Shi En Kim, AZCentral.com, 21 Sep. 2026

The Armenian Highlands featured steep climbs, sudden ecological changes and volcanic sources located more than 2,000 or even 3,000 metres above sea level. — Christopher McFadden, Interesting Engineering, 18 Sep. 2026

The complaint cites ecological threats ranging from chemical pollution and underwater noise to ship traffic and potential oil spills. — Sergio Farella, Los Angeles Times, 16 Sep. 2026

Word History

First Known Use

1879, in the meaning defined at sense 2

Rhymes for ecological

• astrological
• biological
• christological
• chronological
• cosmological
• cytological
• dialogical
• ethnological
• ethological
• geological
• histological
• hydrological