adj. 25B6; adjective
Arctic waters : POLAR, far northern; poetic/literary hyperborean; technical boreal.
arctic weather conditions : (BITTERLY) COLD, wintry, freezing, frozen, icy, glacial, gelid, sub-zero, polar, Siberian.
Antarctic, tropical.
25B6; noun FAR NORTH, North Pole, Arctic circle.
Antarctic.