- Definitions|2
- Thesaurus|630
- Abbreviations|0
56 entries under helpfulness topic. ×
| effectiveness(noun, activity, performance, go, force) | |
| efficiency(noun, activity, go, force, drive) | |
| ability(noun, force, power, strength, energy) | |
| functionality(practicality, usefulness) | |
| utility(noun, worth, practicality, usefulness) | |
| proficiency(noun, power, ability, skill, means) | |
| practicality(noun, worth, usefulness, serviceableness) | |
| adequacy(noun, performance, force, power, strength) | |
| applicability(practicality, usefulness, utility) | |
| avail(practicality, usefulness, utility) | |
| fitness(noun, ability, skill, practicality, usefulness) | |
| adroitness(noun, practicality, usefulness) | |
| dexterity(noun, practicality, usefulness) | |
| expertise(noun, ability, skill, readiness, practicality) | |
| expertness(noun, practicality, usefulness) | |
| function(noun, ability, service, capacity, practicality) | |
| know-how(noun, ability, skill, readiness, practicality) | |
| point(noun, power, strength, energy, use) | |
| service(noun, vigor, liveliness, vitality, get-up-and-go) | |
| skill(noun, power, ability, means, capacity) |
For more, visit
Efficacy on
Power Thesaurus
| APA | Smart Define. (2015). efficacy thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/efficacy/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "efficacy thesaurus" https://smartdefine.org/efficacy/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, efficacy thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/efficacy/thesaurus/synonyms>. |
| MLA | Smart Define. "efficacy thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/efficacy/thesaurus/synonyms> |