| EFFICACIES | • efficacies n. Plural of efficacy. • EFFICACY n. effectiveness. |
| EFFICACIOUS | • efficacious adj. (Formal) Effective; possessing efficacy. • EFFICACIOUS adj. having the power to produce a desired effect. |
| EFFICACIOUSLY | • efficaciously adv. In an efficacious manner. • EFFICACIOUS adv. having the power to produce a desired effect. |
| EFFICACIOUSNESS | • efficaciousness n. Quality of being efficacious. • EFFICACIOUS n. having the power to produce a desired effect. |
| EFFICACITIES | • efficacities n. Plural of efficacity. • EFFICACITY n. the state of being efficacious. |
| EFFICACITY | • efficacity n. Efficacy. • EFFICACITY n. the state of being efficacious. |
| EFFICACY | • efficacy n. Ability to produce a desired effect under ideal testing conditions. • efficacy n. Degree of ability to produce a desired effect; effectiveness. • EFFICACY n. effectiveness. |
| INEFFICACIES | • inefficacies n. Plural of inefficacy. • INEFFICACY n. lack of power to produce a desired effect, also INEFFICACITY. |
| INEFFICACIOUS | • inefficacious adj. Incapable of having the intended consequence. • inefficacious adj. Not effective. • INEFFICACIOUS adj. lacking the power to produce a desired effect. |
| INEFFICACIOUSLY | • inefficaciously adv. Without efficacy or effect. • INEFFICACIOUS adv. lacking the power to produce a desired effect. |
| INEFFICACITIES | • INEFFICACITY n. lack of power to produce a desired effect, also INEFFICACY. |
| INEFFICACITY | • INEFFICACITY n. lack of power to produce a desired effect, also INEFFICACY. |
| INEFFICACY | • inefficacy n. The condition of being ineffective. • INEFFICACY n. lack of power to produce a desired effect, also INEFFICACITY. |
| PROLIFICACIES | • prolificacies n. Plural of prolificacy. • PROLIFICACY n. the state of being prolific, also PROLIFICITY. |
| PROLIFICACY | • prolificacy n. Great fertility. • prolificacy n. Producing of a large number of literary or artistic works. • PROLIFICACY n. the state of being prolific, also PROLIFICITY. |