yarnEnglishOxford American Thesaurusyarn noun 1 you need to use a fine yarn: thread, cotton, wool, fiber, filament, strand; ply; cord, twine, string, line. 2 he told a rather tedious yarn about two Italian peasants: story, tale, anecdote, fable, parable, traveler's tale, fairy story, rigmarole, saga, sketch, narrative, reminiscence, account, report, history; informal tall tale, tall story, cock and bull story, shaggy-dog story, spiel.