Thesaurus
To save this word, you'll need to log in.
Synonyms & Antonyms of inefficaciousness
as in inefficiency, ineffectiveness
Synonyms & Near Synonyms for inefficaciousness
Antonyms & Near Antonyms for inefficaciousness
Keep scrolling for more
Comments on inefficaciousness
What made you want to look up inefficaciousness? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
March 2020 Words of the Day Quiz
- Which is a synonym of rectitudinous?
Can you spell these 10 commonly misspelled words?
TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridgedWords at Play
Ask the Editors
Word Games
- March 2020 Words of the Day Quiz Take the quiz
- Time Traveler Quiz: Which Word Came First?
Which word entered the English language first?
Take the quiz - Spell It
Can you spell these 10 commonly misspelled words?
Take the quiz - Dictionary Devil
The dictionary has been scrambled—can you put it back together?
Play the game
Share inefficaciousness