unthawed

Adjective

 * 1) Which has not been thawed: still frozen.
 * 2) * 1883, W. Anderson Smith, Benderloch: or, Notes from the West Highlands (17 February 1881), page 312:
 * For a time we struggled on, most intent upon evading the morasses; and staring at every patch of unthawed ice as on a treasure trove, until we reached a rocky knoll, on which we turned and looked downwards, from the bleak uninteresting moor to the dingy, featureless shores.