IMPROPERNESS Scrabble 18 Words With Friends 22 Scrabble letter values: I1M3P3R1O1P3E1R1N1E1S1S1 = 18 Definition noun an improper demeanor. — synonyms: impropriety See all 712 words you can make from IMPROPERNESS → 12-letter words Words starting with I Words ending with S ← Unscramble different letters