Trying to find opposite word for in-effectualness in English? No problem. Our site contains antonyms of in-effectualness in 3 different contexts. We have listed all the opposite words for in-effectualness alphabetically.
PastTenses is a database of English verbs. One can check verbs forms in different tenses. Use our search box to check present tense, present participle tense, past tense and past participle tense of desired verb.