IMPETUOUSNESS Scrabble 17 Words With Friends 22 Scrabble letter values: I1M3P3E1T1U1O1U1S1N1E1S1S1 = 17 Definition noun rash impulsiveness. — synonyms: impetuosity See all 852 words you can make from IMPETUOUSNESS → 13-letter words Words starting with I Words ending with S ← Unscramble different letters