IELTS Speaking · Vocabulary
eco-friendly
adjective/ˈiːkəʊ ˌfrendli/Band 6
Last updated 21 July 2026
In short
“eco-friendly” is a Band 6 adjective that means not harmful to the environment. Below you'll find its pronunciation, natural example sentences, synonyms and antonyms, and the collocations that help you use it accurately in the IELTS Speaking test.
Meaning
Not harmful to the environment.
Example sentences
Natural, spoken examples at the level an examiner rewards.
- “The company uses eco-friendly packaging.”
- “More shoppers are choosing eco-friendly products.”
Synonyms & antonyms
Synonyms
greenenvironmentally friendlysustainable
Antonyms
pollutingharmful
Collocations & common phrases
Word partners that make your usage sound natural — the difference between knowing a word and using it well.
Collocations
eco-friendly productseco-friendly packaging
Common phrases
go green
Related words
Explore more vocabulary
Frequently asked questions
What does “eco-friendly” mean?
Not harmful to the environment.
How do you use “eco-friendly” in a sentence?
For example: “The company uses eco-friendly packaging.”
What are some synonyms for “eco-friendly”?
Synonyms include green, environmentally friendly, sustainable.
Is “eco-friendly” good vocabulary for IELTS Speaking?
Yes. It is Band 6 vocabulary, and collocations such as eco-friendly products, eco-friendly packaging help you use it naturally. Reaching for precise, less common words like this is exactly what lifts your Lexical Resource score.
Next step
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