295 entries under adjective topic. ×

43
effective(good, strong, power, tough)
29
able(good, power, direct, active)
27
competent(good, power, direct, skill)
27
capable(power, direct, keen, smart)
22
efficacious(good, power, sound, right)
21
productive(work, power, strain, firmness)
21
qualified(keen, smart, skill, intelligent)
20
effectual(power, excellent, keen, smart)
18
adequate(power, suitable, useful, decent)
16
skilled(keen, smart, skill, intelligent)
14
expert(keen, smart, suitable, careful)
13
proficient(keen, smart, adequate, skilled)
13
handy(careful, useful, real, flawless)
13
active(strong, direct, tough, energetic)
13
useful(direct, active, real, flawless)
12
apt(precise, expert, skilled, competent)
11
clever(keen, smart, intelligent, decent)
11
experienced(keen, smart, skill, intelligent)
11
operative(strong, direct, energetic, lively)
10
practical(close, mean, useful, serious)
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APASmart Define. (2015). efficient thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/efficient/thesaurus/synonyms
ChicagoSmart Define. 2015. "efficient thesaurus" https://smartdefine.org/efficient/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, efficient thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/efficient/thesaurus/synonyms>.
MLASmart Define. "efficient thesaurus" 13 April 2015. Web. 21 September 2026. <https://smartdefine.org/efficient/thesaurus/synonyms>