Efficient
Mutual synonyms
Both words in one sentence
- This may not sound like much, but you're making every other plant twice as efficient.
- Luna dismisses the idea of Twilight sounding what TD describes as a "mating call" (the sound of her writing), since this trope would be more efficient.
Source: Fanfic / The Non-Bronyverse -
It is also what engineers strive for: the simplest and most efficient design possible as such designs are often cheaper while being structurally sound.
Source: Simple, yet Awesome
Cite this Source
Sound and Efficient. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/efficient/sound
Efficient & Sound. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/efficient/sound>.
Sound or Efficient. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/efficient/sound.
Google Ngram Viewer shows how "efficient" and "sound" have occurred on timeline