Eco-friendly
Sustainable and eco-friendly are semantically related. In some cases you can use "Sustainable" instead an adjective phrase "Eco-friendly".
Sustainable
Sustainable adjective - Capable of being defended with good reasoning against verbal attack.
Eco-friendly and sustainable are semantically related. You can use "Eco-friendly" instead an adjective "Sustainable".
Mutual synonyms
Both words in one sentence
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Green Aesop: Sync City is very eco-friendly, and booming with all organic and sustainable techniques, actively endorsed by the characters.
Source: Literature / The Ultra Violets
Cite this Source
Sustainable and Eco-friendly. (2016). Retrieved 2026, August 10, from https://thesaurus.plus/related/eco-friendly/sustainable
Eco-friendly & Sustainable. N.p., 2016. Web. 10 Aug. 2026. <https://thesaurus.plus/related/eco-friendly/sustainable>.
Sustainable or Eco-friendly. 2016. Accessed August 10, 2026. https://thesaurus.plus/related/eco-friendly/sustainable.