SARGASSO /sɑːˈɡæsəʊ/ ► audio Scrabble 9 Words With Friends 10 Definition noun brown algae with rounded bladders forming dense floating masses in tropical Atlantic waters as in the Sargasso Sea. — synonyms: gulfweed, sargassum, Sargassum_bacciferum See all 51 words you can make from SARGASSO → 8-letter words Words starting with S Words ending with O ← Unscramble different letters