Synonyms of arctic

1 Syllable
north, hoar, cools, cool, cold, chill
2 Syllables
frost-bound, frosty, frigid, glacial, nippy, polar, algid, frore, gelid, northern, icy, rimy, coldish, sleety, frostier, freezing, colder, coldest, chiller, cooled, northbound, northmost, chilly, chillier, piercing, iciest, northward, frozen, chilliest, boreal, coolest, icier
3 Syllables
northerly, subzero, icicled, algific, antarctic, ice-cold, sub-zero, siberian, septentrion, icebound
4 Syllables
frigorific, hyperboreal, hyperborean, septentrional
5 Syllables
air-conditioned, ice-covered