Efficient
Efficient adjective - Producing or capable of producing a desired result.
Usage example: that manual lawn mower is not a very efficient tool for doing a huge yard
Potent is a synonym for efficient in ability topic. In some cases you can use "Potent" instead an adjective "Efficient", when it comes to topics like adept.
Potent
Mutual synonyms
Both words in one sentence
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Boring but Practical: One of the most potent weapons in the game is the humble but efficient cruiser laser turret.
- They have a terrifyingly potent confusion spell, and are extremely efficient at draining your stats when you stumble into melee range.
Source: Demonic Spiders / Roguelikes - It is actually more efficient than the Norfleet in terms of ammo regeneration (which only fires three energy balls compared to Badaboom's six rockets), but is considerably less potent in combat and thus will likely take up a valuable inventory slot if you want to use it outside Sanctuary.
Source: Game Breaker / Borderlands 2
Cite this Source
Potent and Efficient. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/efficient/potent
Efficient & Potent. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/efficient/potent>.
Potent or Efficient. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/efficient/potent.
Google Ngram Viewer shows how "efficient" and "potent" have occurred on timeline