Main entry: polar
Definition: of or existing at or near a geographical pole or within the Arctic or Antarctic Circles
Usage: polar regions
Antonyms: equatorial
Definition: of or existing at or near the geographic equator
Main entry: arctic, icy, glacial, frigid, gelid, polar
Definition: extremely cold
Usage: an arctic climate; a frigid day; gelid waters of the North Atlantic; glacial winds; icy hands; polar weather
Antonyms: hot
Definition: used of physical heat; having a high or higher than desirable temperature or giving off heat or feeling or causing a sensation of heat or burning
Antonyms: hot
Definition: extended meanings; especially of psychological heat; marked by intensity or vehemence especially of passion or enthusiasm
Main entry: polar
Definition: having a pair of equal and opposite charges
Antonyms: uncharged
Definition: of a particle or body or system; having no charge
Main entry: diametric, diametrical, opposite, polar
Definition: characterized by opposite extremes; completely opposed
Usage: in diametric contradiction to his claims; diametrical (or opposite) points of view; opposite meanings; extreme and indefensible polar positions
Antonyms: same
Definition: closely similar or comparable in kind or quality or quantity or degree
Main entry: polar, pivotal
Definition: being of crucial importance
Usage: a pivotal event; Its pivotal location has also exposed it to periodic invasions- Henry Kissinger; the polar events of this study; a polar principal
Antonyms: noncrucial
Definition: of little importance; not decisive
Antonyms: unimportant
Definition: not important