The word “effectiveness” has 4 syllables: ef-fec-tive-ness
It's pronounced as /ɪˈfɛktɪvnɪs/
What is synonym and antonym for effectiveness?
In the thesaurus, “effectiveness” has 47 synonyms and 18 antonyms.
Here are synonyms and antonyms for effectiveness along with examples of usage in sentences.
On this page you'll find 65 synonyms, antonyms, or another words to effectiveness, such as: ability, appeal, attraction, authoritativeness, authority, believability, capability.
Make sure to choose synonyms and antonyms that are appropriate for the context of the sentence.