The antonyms for "ice-free" are numerous and varied. Some examples of antonyms for "ice-free" include "frozen," "icy," "chilly," "cold," "frigid," "arctic," and "polar," all of which suggest a condition of extreme cold or ice-covered conditions. Other antonyms for "ice-free" might include terms such as "thawed," "melted," "liquefied," or "liquid," which describe the opposite condition of ice-freezing, namely the transformation of water from a solid to a liquid state. Regardless of which antonym one chooses, each term conveys a sense of contrast or opposition to the idea of being "ice-free," suggesting a world where ice and cold reign supreme.