glacial

1. (figuratively) Very slow.Examples: "He could remember a day that he had spent the whole of (he couldn't have been more than ten) running one of the great, creaking freight elevators at a glacial speed, answering the calls of the bell—one ring, five rings, three rings—with an almost unbearable sense of responsibility."; "I understand that you commented that the Japanese are moving at glacial speed. This is not the only area where they are moving at glacial speed. They are moving at glacial speed in terms of trade barriers, and it is one thing that the American people recognize."; "Paradoxically, then, the electronic speed offered by computer-based decision-making is often overwhelmed by the glacial speed of data reformatting and checking."figuratively

2. (figuratively) Cool and unfriendly.Examples: "He gave me a glacial stare."figuratively