pivotal vs polar

pivotal and polar both are adjectives.

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

As adjectives, pivotal and polar are synonyms defined as:

pivotal (adjective)	polar (adjective)
being of crucial importance	of or existing at or near a geographical pole or within the Arctic or Antarctic Circles
	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