taupe UK /təʊp/US /toʊp/adjective 1noun 1forms 3 adjective1 •Of a dark brownish-grey colour.At five o'clock the patch of daylight above the red-lighted exit door turned taupe, as though a gray curtain had been flung across it; […] — 1915 noun1 •A dark brownish-grey colour, the colour of moleskin. formstaupes · more taupe · most taupe