frigid

Etymology

Borrowed from Latin frīgidus (“cold”), from frīgeō (“I am cold”), from frīgus (“cold, coldness”), from Proto-Indo-European *sriges-, *sriHges-.

adj

1. Very cold; lacking warmth; icy.
   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. 2013-03, Nancy Langston, “Mining the Boreal North”, in American Scientist, volume 101, number 2, archived from the original on 2016-04-13, page 98
2. Chilly in manner; lacking affection or zeal; impassive.
3. (colloquial) Sexually unresponsive, especially of a woman.