diametric vs polar

diametric and polar both are adjectives.

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

As adjectives, diametric and polar are synonyms defined as:

diametric and polar: characterized by opposite extremes; completely opposed

Other synonyms of diametric include diametrical, opposite.

diametric (adjective)	polar (adjective)
related to or along a diameter	of or existing at or near a geographical pole or within the Arctic or Antarctic Circles
characterized by opposite extremes; completely opposed	located at or near or coming from the earth's poles
	having a pair of equal and opposite charges
	extremely cold
	being of crucial importance
	characterized by opposite extremes; completely opposed