eco

[ ek-oh, ee-koh ]

/ ˈɛk oʊ, ˈi koʊ /

Informal.

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adjective

ecological or environmental.

not harmful to the environment: an eco resort with no air conditioning.

noun

ecology.

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ARE YOU A TRUE BLUE CHAMPION OF THESE "BLUE" SYNONYMS?

We could talk until we're blue in the face about this quiz on words for the color "blue," but we think you should take the quiz and find out if you're a whiz at these colorful terms.

Question 1 of 8

Which of the following words describes “sky blue”?

navy

beryl

azure

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Words nearby eco

Eclogues, eclosion, ECM, ecmnesia, ECMO, eco, ecoanxiety, ecocatastrophe, ecocentric, ecocentrism, ecocide

Other definitions for eco (2 of 3)

Eco

[ ek-oh; Italian e-kaw ]

/ ˈɛk oʊ; Italian ˈɛ kɔ /

noun

Umberto, 1932–2016, Italian novelist and philosopher.

Other definitions for eco (3 of 3)

eco-

a combining form representing ecology in the formation of compounds (ecosystem; ecotype); also with the more general sense “environment,” “nature,” “natural habitat” (ecocide; ecolaw; ecopolitics).

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use eco in a sentence

The hamper is built from eco-friendly bamboo and includes two slide out laundry bins with handles, and a workable table top for folding laundry or storing items.
Attractive laundry hampers that make your dirty clothes look a little better|PopSci Commerce Team|September 16, 2020|Popular-Science
From this early niche, Square built out a business that now resembles Apple’s multi-tentacled eco-system—one that uses a piece of hardware to lock customers into an array of other products and services.
‘Square is a beast’|Jeff|September 16, 2020|Fortune
If cotton isn’t for you, these eco-friendly cloths make a great alternative.
Dish towels to tackle almost any mess|PopSci Commerce Team|September 10, 2020|Popular-Science
They’re looking for eco-friendly alternatives to fast fashion without sacrificing style.
The CEO striving to make vintage, secondhand clothing as popular as fast fashion|Rachel King|September 6, 2020|Fortune

Leave-no-trace principles advise using even eco-friendly cleansers at least 200 feet away from water sources—and never wash your hands or your dishes directly in the stream.
A Dirtbag's Guide to Sanitation During a Pandemic|Maren Larsen|August 31, 2020|Outside Online
Grotesque profiteering aside, life release ceremonies can devastate the eco-system.
The Buddhist Business of Poaching Animals for Good Karma|Brendon Hong|December 28, 2014|DAILY BEAST
The resulting Wool Runners were comfortable, eco-friendly, machine-washable, and super cute—and sold out almost immediately.
The Coolest Fashion Innovations of 2014|Raquel Laneri|December 18, 2014|DAILY BEAST
What would have happened had Abe Lincoln lived to have been an eco-activist?
Leo, the Beard Has to Go: When a Man’s Facial Hair Reaches Crisis Point|Tim Teeman|September 22, 2014|DAILY BEAST
And “stinking rich” is the smell of zero carbon emissions at eco-friendly tech company campuses.
Up To a Point: Robber Barons Make Way For Robber Nerds|P. J. O’Rourke|August 9, 2014|DAILY BEAST
This has led to a burgeoning industry of small businesses, founded and run by women specializing in eco-friendly hygiene products.
The Next Big Environmental Fight: Tampons?|Keli Goff|May 2, 2014|DAILY BEAST
Aren, or aen, eco-aco-co are case terminations; tcea-cea marks the verbal noun.
Basque Legends|Wentworth Webster
Someone had gutted an eco-mobile to power the night's entertainment.
Little Brother|Cory Doctorow
In this novel, Umberto Eco deals, in a light vein, with the occult considered as the true science.
The Civilization of Illiteracy|Mihai Nadin
In other words, use eco only when you wish to accentuate the abstractness, the "nessness" of the idea.
The International Auxiliary Language Esperanto|George Cox

British Dictionary definitions for eco (1 of 3)

eco

/ (ˈiːkəʊ) /

noun

short for ecology
(as modifier)an eco group

British Dictionary definitions for eco (2 of 3)

Eco

/ (ˈɛkəʊ) /

noun

Umberto. born 1932, Italian semiologist and writer. His novels include The Name of the Rose (1981) and Foucault's Pendulum (1988)

British Dictionary definitions for eco (3 of 3)

eco-

combining form

denoting ecology or ecologicalecocide; ecosphere

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for eco

eco-

pref.

Ecology; ecological:ecosystem.