molasses UK /məʊˈlasɪz/US /məˈlæsɪz/ noun5 •A thick, sweet syrup drained from sugarcane, especially (Canada, US) the still thicker and sweeter syrup produced by boiling down raw molasses.Well, we had our breakfast of ship's bread and molasses, washed down with cannikins of something liquid - but not lovely. — 1907 •(US) Any similarly thick and sweet syrup produced by boiling down fruit juices, tree saps, etc., especially concentrated maple syrup.Boiled some cornstalk juice into molasses. — 1777 •(figurative) Something which moves or works extremely slowly.Though faster than typing, the daisy wheel is molasses compared to dot matrix printers. — 1990 •(figurative) Anything considered figuratively sweet, especially sweet words.He really poured on the molasses, charming his audience and changing more than a few votes. •(no longer used, rare) Synonym of molass: whiskey made from molasses. formsmolasseses · molass