IRRESISTIBILITY Scrabble 20 Words With Friends 21 Scrabble letter values: I1R1R1E1S1I1S1T1I1B3I1L1I1T1Y4 = 20 Definition noun the quality of being overpowering and impossible to resist. — synonyms: irresistibleness See all 378 words you can make from IRRESISTIBILITY → 15-letter words Words starting with I Words ending with Y ← Unscramble different letters