PITILESSNESS Scrabble 14 Words With Friends 17 Definition noun feelings of extreme heartlessness. — synonyms: cruelty, mercilessness, ruthlessness noun mercilessness characterized by a lack of pity. — synonyms: ruthlessness See all 391 words you can make from PITILESSNESS → 12-letter words Words starting with P Words ending with S ← Unscramble different letters