- Definitions|1
- Thesaurus|395
- Abbreviations|0
39 entries under efficacy topic. ×
| capableness(performance, energy, skill, readiness, competence) | |
| competency(performance, energy, skill, readiness, competence) | |
| completeness(performance, energy, skill, readiness, competence) | |
| economy(performance, energy, skill, readiness, competence) | |
| expertise(skill, readiness, competence, effectiveness) | |
| facility(skill, readiness, competence, effectiveness) | |
| know-how(skill, readiness, competence, effectiveness) | |
| performance(energy, competence, effectiveness) | |
| proficiency(skill, readiness, competence, effectiveness) | |
| quantity(performance, energy, skill, readiness, competence) | |
| readiness(skill, competence, effectiveness, adeptness) | |
| resourcefulness(performance, energy, skill, readiness, competence) | |
| response(performance, energy, skill, readiness, competence) | |
| skill(readiness, competence, effectiveness, adeptness) | |
| skillfulness(performance, energy, skill, readiness, competence) | |
| suitability(performance, energy, skill, readiness, competence) | |
| suitableness(performance, energy, skill, readiness, competence) | |
| talent(skill, readiness, competence, effectiveness) | |
| thoroughness(performance, energy, skill, readiness, competence) |
For more, visit
Powerfulness on
Power Thesaurus
| APA | Smart Define. (2015). powerfulness thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/powerfulness/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "powerfulness thesaurus" https://smartdefine.org/powerfulness/thesaurus/synonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2015, powerfulness thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/powerfulness/thesaurus/synonyms>. |
| MLA | Smart Define. "powerfulness thesaurus" 10 April 2015. Web. 30 September 2026. <https://smartdefine.org/powerfulness/thesaurus/synonyms> |