46 entries under tough topic. ×
| active(energetic, effective, running, working) | |
| adept(energetic, effective, effectual, well-organized) | |
| businesslike(adjective, reasonable, sensible, energetic) | |
| decisive(energetic, effective, adept, effectual) | |
| dynamic(strong, powerful, active, effective) | |
| economic(energetic, effective, adept, effectual) | |
| economical(energetic, effective, adept, effectual) | |
| energetic(effective, adept, effectual, creative) | |
| equal to(expression, energetic, effective, adept) | |
| expert(effective, adept, effectual, well-organized) | |
| familiar with(expression, energetic, effective, adept) | |
| fitted(suitable, effective, opportune, adept) | |
| good at(expression, energetic, effective, adept) | |
| organized(energetic, effective, adept, effectual) | |
| proficient(effective, adept, effectual, well-organized) | |
| qualified(good, correct, appropriate, effective) | |
| ready(energetic, near, suitable, effective) | |
| saving(energetic, effective, adept, effectual) | |
| shrewd(energetic, effective, adept, effectual) | |
| skilled(effective, adept, effectual, well-organized) |
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| APA | Smart Define. (2016). useful thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/useful/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "useful thesaurus" https://smartdefine.org/useful/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2016, useful thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/useful/thesaurus/synonyms>. |
| MLA | Smart Define. "useful thesaurus" 5 January 2016. Web. 28 September 2026. <https://smartdefine.org/useful/thesaurus/synonyms> |