glacial — OAT

glacial

adjective

1 glacial conditions:

freezing, bitterly cold, icy, ice-cold, subzero, frozen, wintry;

arctic, polar, Siberian;

bitter, biting, piercing, raw, cutting;

British, informal Baltic;

literary chill, frore;

rare gelid, brumal, rimy, algid.

▷antonyms tropical, hot.

2 Polly's tone was glacial:

unfriendly, frosty, icy, wintry, cold, chilly, frigid, hostile, unwelcoming;

rare gelid.

▷antonyms friendly, warm.