IMPETUOSITY Scrabble 18 Words With Friends 20 Scrabble letter values: I1M3P3E1T1U1O1S1I1T1Y4 = 18 Definition noun rash impulsiveness. — synonyms: impetuousness See all 381 words you can make from IMPETUOSITY → 11-letter words Words starting with I Words ending with Y ← Unscramble different letters