frigid

Very cold; lacking warmth; icy.

A frigid, fine rain was falling.

Reindeer are well suited to the taiga’s frigid winters. They can maintain a thermogradient between body core and the environment of up to 100 degrees, in part because of insulation provided by their fur, and in part because of counter-current vascular heat exchange systems in their legs and nasal passages.

Chilly in manner; lacking affection or zeal; impassive.

Sexually unresponsive, especially of a woman.

In Italy, a plant called Pizza ugurdu is said to excite powerful erotic feelings even in the most frigid.