Synonyms|412Antonyms|83|Broader|4Narrower|1Related|376

46 entries under tough topic. ×

1
decisive(energetic, effective, adept, effectual)
1
economical(energetic, effective, adept, effectual)
1
familiar with(expression, energetic, effective, adept)
1
good at(expression, energetic, effective, adept)
1
good for(expression, energetic, useful, effective)
1
handy(energetic, effective, adept, effectual)
1
organized(energetic, effective, adept, effectual)
1
profitable(strong, energetic, useful, effective)
1
qualified(effective, adept, effectual, well-organized)
1
ready(energetic, effective, adept, effectual)
1
saving(energetic, effective, adept, effectual)
1
shrewd(sensible, energetic, wise, effective)
1
skillful(sensible, wise, shrewd, effective)
1
systematic(energetic, effective, adept, effectual)
1
well-organized(energetic, effective, adept, effectual)
0
accomplished(effective, adept, effectual, well-organized)
0
adapted(energetic, effective, adept, effectual)
0
adept(energetic, effective, effectual, well-organized)
0
deft(effective, adept, effectual, well-organized)
0
experienced(effective, adept, effectual, well-organized)
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APASmart Define. (2015). efficacious thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/efficacious/thesaurus/synonyms
ChicagoSmart Define. 2015. "efficacious thesaurus" https://smartdefine.org/efficacious/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, efficacious thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/efficacious/thesaurus/synonyms>.
MLASmart Define. "efficacious thesaurus" 13 October 2015. Web. 26 September 2026. <https://smartdefine.org/efficacious/thesaurus/synonyms>