frigid

Synonyms: antarctic arctic chill chilly cool freezing frost-bound frosty frozen gelid glacial hyperboreal icebox ice-cold icy refrigerated siberian snappy three-dog night wintry

Antonyms: hot warm

Synonyms: aloof austere chilly cold cold-hearted cold-shoulder cool forbidding formal frosty icy impotent indifferent lifeless passionless passive repellent rigid stiff unapproachable unbending unfeeling unloving

Antonyms: amicable amorous lovable loving responsive warm