Energy-efficient
adj
adj ·Rare ·Advanced level
Definitions
Adjective
- 1 That does not consume a lot of energy.
Synonyms
All synonymsAntonyms
All antonymsExample
More examples"This behavior is energy-efficient in an environment where calories can be hard to come by."
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.