environmentally-friendly
Word family
- environmentnounB1
- environmentaladjectiveB2
- environmentallyadverbB2
- environmentalistnounC1
- friendlyadjectiveA2
- unfriendlyadjectiveB1
- friendlinessnounB2
Synonym discussion
Sense: adjective/1
All four terms relate to reducing environmental harm, but they differ in scope and register. 'Eco-friendly' is common in advertising and everyday conversation; it implies a product causes little harm but lacks a measurable standard. 'Sustainable' is broader — it includes social and economic dimensions, not just environmental impact — and is preferred in policy and academic writing. 'Green' is the most informal and can be vague; a company may call itself 'green' based on a single initiative. 'Low-carbon' is the most specific, focusing solely on carbon dioxide emissions, often used for energy and transport. For everyday consumer choices, 'environmentally-friendly' is the most transparent and widely understood term. Example: 'The hotel calls itself green, but only its low-carbon heating system is truly environmentally friendly.'
Common collocations
Etymology
A compound formed from 'environment' (from Old French 'environner', meaning 'to surround') + '-ally' (adverbial suffix) + 'friendly' (from Old English 'frēondlic', meaning 'kindly, well-disposed'). The term emerged in the late 20th century alongside the environmental movement and became widespread in the 1990s as concern about climate change grew.