The Oxford Thesaurus An A-Z Dictionary of Synonyms - greyadj.

1) ashen, leaden, colourless, pale, pallid, wan, livid, pearly, griseous, smoky, sooty, bloodless: The cadaver's skin was a dead, whitish grey. 2) gloomy, dismal, dull, depressing, glum, dreary, sombre, drab, cheerless, dark, murky, foggy, misty, cloudy, overcast, sunless: As if to mould her temperament, Kathleen was born on a grey December day in 1791. 3) aged, elderly, hoary, old, venerable, ancient: A stooped, grey crone inched along, muttering to herself. 4) mature, wise, experienced: Seventy years have spread their grey experience over his hoary head.