Energy-efficient
Ecologically sound and energy-efficient are semantically related. In some cases you can use "Ecologically sound" instead an adjective phrase "Energy-efficient".
Ecologically sound
Energy-efficient and ecologically sound are semantically related. You can use "Energy-efficient" instead an adjective phrase "Ecologically sound".
Cite this Source
Ecologically sound and Energy-efficient. (2017). Retrieved 2026, August 13, from https://thesaurus.plus/related/energy-efficient/ecologically_sound
Energy-efficient & Ecologically sound. N.p., 2017. Web. 13 Aug. 2026. <https://thesaurus.plus/related/energy-efficient/ecologically_sound>.
Ecologically sound or Energy-efficient. 2017. Accessed August 13, 2026. https://thesaurus.plus/related/energy-efficient/ecologically_sound.