Synonyms of the word

glacial

• adj. of, or relating to glaciers.
• adj. (figuratively) very slow.
• adj. cold and icy.
• adj. having the appearance of ice.
• adj. cool and unfriendly.
• n. A glacial period (colloquially known as an ice age).

arctic

• adj. Alternative letter-case form of Arctic.
• n. Alternative letter-case form of Arctic.

cold

• adj. (of a thing) Having a low temperature.
• adj. (of the weather) Causing the air to be cold.
• adj. (of a person or animal) Feeling the sensation of coldness, especially to the point of discomfort.
• adj. Unfriendly, emotionally distant or unfeeling.
• adj. Dispassionate, not prejudiced or partisan, impartial.
• adj. Completely unprepared; without introduction.
• adj. Unconscious or deeply asleep; deprived of the metaphorical heat associated with life or consciousness.
• adj. (usually with "have" or "know" transitively) Perfectly, exactly, completely; by heart.
• adj. (usually with "have" transitively) Cornered, done for.
• adj. (obsolete) Not pungent or acrid.
• adj. (obsolete) Unexciting; dull; uninteresting.
• adj. Affecting the sense of smell (as of hunting dogs) only feebly; having lost its odour.
• adj. (obsolete) Not sensitive; not acute.
• adj. Distant; said, in the game of hunting for some object, of a seeker remote from the thing concealed. Compare…
• adj. (painting) Having a bluish effect; not warm in colour.
• n. A condition of low temperature.
• n. (medicine) A common, usually harmless, viral illness, usually with congestion of the nasal passages and…
• adv. While at low temperature.
• adv. Without preparation.
• adv. With finality.
• adv. (slang, informal, dated) In a cold, frank, or realistically honest manner.

frigid

• adj. Very cold; lacking warmth; icy.
• adj. Chilly in manner; lacking affection or zeal; impassive.
• adj. (colloquial) Sexually unresponsive, especially of a woman.

frosty

• adj. Cold, chilly.
• adj. Having frost on it.
• adj. (figuratively) Having an aloof or inhospitable manner.
• adj. (slang) Alert.

frozen

• adj. In the state of that which freezes; in ice form.
• adj. Immobilized.
• adj. (of a bank account) In a state such that transactions are not allowed.
• v. past participle of freeze.

gelid

• adj. Very cold; icy or frosty.

icy

• adj. Pertaining to, resembling, or abounding in ice; cold; frosty.
• adj. Covered with ice, wholly or partially.
• adj. Characterized by coldness, as of manner, influence, etc.; chilling; frigid; cold.

polar

• adj. Of, relating to, measured from, or referred to a geographic pole (the North Pole or South Pole).
• adj. (space sciences) Of an orbit that passes over, or near, one of these poles.
• adj. (chemistry) Having a dipole; ionic.
• adj. (mathematics) Of a coordinate system, specifying the location of a point in a plane by using a radius…
• adj. (linguistics, of a question) Having but two possible answers, yes and no.

wintry

• adj. Suggestive or characteristic of winter; cold, stormy.
• adj. Of precipitation, containing sleet or snow.
• adj. Aged, white-haired.
• adj. Chilling, cheerless.