glacial vs polar

glacial and polar both are adjectives.

Word	Noun	Adjective	Verb	Adverb
glacial	No	Yes	No	No
polar	No	Yes	No	No

As adjectives, glacial and polar are synonyms defined as:

Other synonyms of glacial include arctic, frigid, gelid, icy.

glacial (adjective)	polar (adjective)
relating to or derived from a glacier	of or existing at or near a geographical pole or within the Arctic or Antarctic Circles
extremely cold	located at or near or coming from the earth's poles
devoid of warmth and cordiality; expressive of unfriendliness or disdain	having a pair of equal and opposite charges
	extremely cold
	being of crucial importance
	characterized by opposite extremes; completely opposed