The word “efficacity” has 5 syllables: ef-fi-ca-ci-ty.
It's pronounced as /ˌɛfɪˈkæsəti/.
What is synonym and antonym for efficacity?
In the thesaurus, “efficacity” has 3 synonyms and 5 antonyms.
Here are synonyms and antonyms for efficacity along with examples of usage in sentences.
On this page you'll find 8 synonyms, antonyms, or another words to efficacity, such as: effectiveness, efficaciousness, efficacy, inability, ineffectiveness, ineffectuality, ineffectualness.
Make sure to choose synonyms and antonyms that are appropriate for the context of the sentence.