/ Thesaurus / P Synonyms of polar zone Find synonyms for: Noun1. Frigid Zone, polar zone, polar region, climatic zoneusage: the part of the Earth's surface forming a cap over a pole; characterized by frigid climateWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: reticent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language