- Definitions|2
- Thesaurus|630
- Abbreviations|0
201 entries under noun topic. ×
| effectiveness(activity, performance, go, force) | |
| force(activity, go, drive, power) | |
| efficiency(activity, go, force, drive) | |
| power(performance, go, force, strength) | |
| effect(force, power, strength, energy) | |
| validity(force, power, strength, energy) | |
| energy(activity, performance, go, force) | |
| capability(force, power, strength, energy) | |
| efficaciousness(affect, efficiency, productiveness) | |
| potency(performance, go, force, power) | |
| weight(influence, use, substance, importance) | |
| capacity(force, power, strength, ability) | |
| performance(energy, influence, use, effect) | |
| ability(force, power, strength, energy) | |
| competence(force, power, strength, energy) | |
| influence(force, power, strength, energy) | |
| strength(activity, go, force, drive) | |
| use(influence, effect, success, worth) | |
| virtue(force, power, strength, ability) | |
| usefulness(use, success, worth, efficiency) |
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Efficacy on
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| APA | Smart Define. (2015). efficacy thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/efficacy/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "efficacy thesaurus" https://smartdefine.org/efficacy/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, efficacy thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/efficacy/thesaurus/synonyms>. |
| MLA | Smart Define. "efficacy thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/efficacy/thesaurus/synonyms> |