Synonyms for polar Found 9 synonyms across 3 meanings for “polar”. characterized by opposite extremes (adj) diametricdiametricalopposite extremely cold (adj) arcticfrigidgelidglacialicy being of crucial importance (adj) pivotal Explore Related Words Rhymes with polarSynonyms for diametricSynonyms for diametricalSynonyms for oppositeSynonyms for arcticSynonyms for frigid Synonym Finder | Rhyme Finder | Poetry Editor