INEFFECTIVENESS Scrabble 26 Words With Friends 30 Scrabble letter values: I1N1E1F4F4E1C3T1I1V4E1N1E1S1S1 = 26 Definition noun lacking the power to be effective. — synonyms: ineffectualness, ineffectuality See all 358 words you can make from INEFFECTIVENESS → 15-letter words Words starting with I Words ending with S ← Unscramble different letters