glacial adjective Stress: first syllable 🤍 Save Syllables: gla-cial (2) English Definition Relating to ice or glaciers, or extremely cold or slow. Example Sentence Glacial movement is incredibly slow. US IPA /ˈɡleɪʃl/ 🔊 Listen US UK IPA /ˈɡleɪʃl/ 🔊 Listen UK Synonyms icy freezing polar slow Antonyms warm tropical rapid Share this Word Facebook WhatsApp X Telegram Copy Link