icily

jäätävästi In the manner of ice; with a cold or chilling effect.
1971, Alan Sillitoe, Travels in Nihilon, page 76

The cold Alpine air flowed icily into his car, so he stopped by the roadside to put on a leather trench-coat, thick scarf, and woollen hat(..)

(..)quite often her husband and Jo did not eat at home, or sat icily silent through a meal.