Glaciate means to freeze or cover with ice, but what are its antonyms? The antonyms for glaciate would be concepts that refer to the exact opposite of freezing, such as thawing, melting, or defrosting. While glaciate might make us think of wintertime and cold temperatures, the opposite terms would bring to mind warmth, sun, and heat. Glaciate also has a connotation of destruction or stagnation, so its antonyms would suggest growth, movement, and change. Overall, while the word glaciate has a rather limited range of meanings, its antonyms offer a variety of ideas that could evoke quite a different set of associations.