of or pertaining to glaciers or ice sheets.

resulting from or associated with the action of ice or glaciers

glacial terrain.

characterized by the presence of ice in extensive masses or glaciers.

bitterly cold; icy

a glacial winter wind.

happening or moving extremely slowly

The work proceeded at a glacial pace.

icily unsympathetic or immovable

a glacial stare; glacial indifference.

Chemistry . of, pertaining to, or tending to develop into icelike crystals

glacial phosphoric acid.

adjective

hot , warm , amicable , friendly

adjective

antarctic , arctic , biting , bitter , chill , chilly , cool , freezing , frigid , frosty , frozen , gelid , icy , nippy , piercing , polar , raw , wintry , aloof , antagonistic , cold , distant , emotionless , hostile , inaccessible , indifferent , inimical , remote , reserved , seclusive , standoffish , unapproachable , unemotional , withdrawn , boreal