polar vs crucial

polar and crucial both are adjectives.

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

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