53%RatingSave Gender Feminine Usage Literature Pronounced Pron. BUT-ər-kup(English) [key·IPA] Meaning & History From the English word for the yellow flower (genus Ranunculus). Author William Goldman used it for Princess Buttercup in his book The Princess Bride (1973) and the subsequent film adaptation (1987). Categories ATLA universe characters, baseball players, cartoon characters, cheeses, English nouns, fictional characters, flora, flowers, Interpol songwriting, literature, nature, nicknames, plants, Powerpuff Girls characters, word names, yellow