5
adroit(adjective, keen, smart, intelligent, expert)
5
businesslike(adjective, reasonable, sensible, exact, careful)
5
energetic(adjective, strong, direct, tough, violent)
5
fit(adjective, suitable, decent, knowledgeable, adequate)
5
fitted(adjective, skill, suitable, skilled, competent)
5
masterly(adjective, keen, smart, intelligent, skilled)
5
multiskilled
5
potent(adjective, good, strong, direct, sound)
5
practiced(adjective, keen, smart, skill, suitable)
5
successful(adjective, dynamic, driven)
5
thrifty(adjective, close, mean, frugal, economical)
5
trained(adjective, keen, smart, skill, suitable)
4
conscientious(adjective, work, strain, firmness, labour)
4
dexterous(adjective, keen, sharp, smart, intelligent)
4
diligent(adjective, work, strain, firmness, labour)
4
dynamic(adjective, strong, tough, energetic, powerful)
4
easy(adjective, competent, capable, proficient, facile)
4
economical(adjective, close, mean, careful, effective)
4
equal to(verb, expression, adjective, phrasal verb, power)
4
forcible(adjective, strong, direct, tough, energetic)
11 years ago|19k views|share |citing 
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>