3
unwasteful(adjective, close, mean, practical, prudent)
3
valuable(adjective, effective, adept)
2
advantageous(adjective, expedient)
2
agile(adjective, keen, smart, intelligent, competent)
2
almighty
2
artful(adjective, keen, smart, intelligent, competent)
2
brisk(adjective, strong, tough, intense, energetic)
2
careful(adjective, complete, tough, exact, full)
2
committed(adjective, work, strain, firmness, labour)
2
conducive(adjective, effective, adept)
2
constructive(adjective, reasonable, sensible, useful, sober)
2
cunning(adjective, competent, capable, skillful, proficient)
2
efficiency
2
equal(decent, knowledgeable, adequate, qualified, capable)
2
exact(adjective, complete, tough, full, ordinary)
2
fast paced
2
feasible(applied, hands-on, real-world)
2
finished(adjective, skill, expert, skilled, qualified)
2
forceful(adjective, strong, direct, tough, intense)
2
frugal(adjective, close, mean, practical, prudent)
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APASmart Define. (2015). efficient thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/efficient/thesaurus/synonyms
ChicagoSmart Define. 2015. "efficient thesaurus" https://smartdefine.org/efficient/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, efficient thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/efficient/thesaurus/synonyms>.
MLASmart Define. "efficient thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/efficient/thesaurus/synonyms>