295 entries under adjective topic. ×

3
knowledgeable(suitable, competent, capable, able)
3
ordered(exact, ordinary, usual, careful)
3
orderly(reasonable, sensible, exact, ordinary)
3
prepared(keen, smart, skill, intelligent)
3
prompt(responsive, early)
3
sedulous(work, strain, firmness, labour)
3
shrewd(effective, adept)
3
smooth(energetic, ordinary, usual, normal)
3
sound(strong, direct, tough, reasonable)
3
tight(close, mean, frugal, ordered)
3
unwasteful(close, mean, practical, prudent)
3
valuable(effective, adept)
2
advantageous
2
agile(keen, smart, intelligent, competent)
2
artful(keen, smart, intelligent, competent)
2
brisk(strong, tough, intense, energetic)
2
careful(complete, tough, exact, full)
2
committed(work, strain, firmness, labour)
2
conducive(effective, adept)
2
constructive(reasonable, sensible, useful, sober)
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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>