295 entries under adjective topic. ×

9
expeditious(regular, quick, serious, responsive)
9
powerful(good, strong, power, direct)
8
accomplished(good, keen, smart, suitable)
8
good(sound, right, reasonable, decent)
8
skillful(keen, smart, intelligent, skilled)
8
streamlined
7
adept(suitable, expert, skilled, competent)
7
serviceable(open, direct, reasonable, active)
7
deft(keen, smart, intelligent, competent)
7
economic(effective, adept)
7
functional(strong, open, reasonable, sensible)
7
suitable(useful, decent, knowledgeable, adequate)
7
talented(keen, smart, suitable, intelligent)
6
expedient(useful, expedient, utility)
6
neat(exact, small, careful, regular)
6
professional(regular, serious, practical, skilled)
6
skilful
6
systematic(reasonable, sensible, exact, ordinary)
6
virtuous(good, innocent, worthy, effective)
5
adroit(keen, smart, intelligent, expert)
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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>