Having a pair of equal and opposite charges.

Roget 210: highest etc. (high) etc. 206; top; top most, upper most; tiptop; culminating etc. v.; meridian, meridional^†; capital, head, polar, supreme, supernal, topgallant.    ... show more

Characterized by opposite extremes; completely opposed:
— Extreme and indefensible polar positions.

synonyms: diametric, diametrical, opposite.

Located at or near or coming from the earth's poles.

Polish: biegunowy

Of or existing at or near a geographical pole or within the Arctic or Antarctic Circles.

Extremely cold:
— Polar weather.

synonyms: arctic, frigid, gelid, glacial, icy.

Polish: lodowaty

Being of crucial importance:
— The polar events of this study.
— A polar principal.

synonym: pivotal.