FRUMP Meaning of FRUMP in English n. a dowdy unattractive old-fashioned woman. Derivatives: frumpish adj. frumpishly adv. Etymology: 16th c.: perh. f. dial. frumple (v.) wrinkle f. MDu. verrompelen (as FOR-, RUMPLE) Oxford English vocab. Оксфордский английский словарь. 2012