SEALANT /ˈsiːlənt/ Scrabble 7 Words With Friends 9 Definition noun a kind of sealing material that is used to form a hard coating on a porous surface (as a coat of paint or varnish used to size a surface). — synonyms: sealer See all 139 words you can make from SEALANT → 7-letter words Words starting with S Words ending with T ← Unscramble different letters