IELTS Speaking · Vocabulary
renewable
adjective/rɪˈnjuːəbl/Band 6
Last updated 21 July 2026
In short
“renewable” is a Band 6 adjective that means (Of energy or resources) able to be replenished naturally and not used up. 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
(Of energy or resources) able to be replenished naturally and not used up.
Example sentences
Natural, spoken examples at the level an examiner rewards.
- “Solar and wind are renewable sources of energy.”
- “The country plans to run entirely on renewable energy.”
Synonyms & antonyms
Synonyms
sustainablecleangreen
Antonyms
non-renewablefinite
Collocations & common phrases
Word partners that make your usage sound natural — the difference between knowing a word and using it well.
Collocations
renewable energyrenewable sourcesswitch to renewables
Common phrases
renewable energy sources
Related words
Explore more vocabulary
Frequently asked questions
What does “renewable” mean?
(Of energy or resources) able to be replenished naturally and not used up.
How do you use “renewable” in a sentence?
For example: “Solar and wind are renewable sources of energy.”
What are some synonyms for “renewable”?
Synonyms include sustainable, clean, green.
Is “renewable” good vocabulary for IELTS Speaking?
Yes. It is Band 6 vocabulary, and collocations such as renewable energy, renewable sources, switch to renewables help you use it naturally. Reaching for precise, less common words like this is exactly what lifts your Lexical Resource score.
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