SULLEN Scrabble 6 Words With Friends 10 Definition adjective showing a brooding ill humor. — synonyms: dark, dour, glowering, glum, moody, morose, saturnine, sour adjective darkened by clouds. — synonyms: heavy, lowering, threatening Anagrams of SULLEN unsell See all 30 words you can make from SULLEN → 6-letter words Words starting with S Words ending with N ← Unscramble different letters