1. free from frost; not affected by or subject to frost

Examples

• The frostless refrigerator automatically prevents ice buildup on the coils.
• They chose to plant their garden in a frostless zone to extend the growing season.
• The frostless winter meant the ground never froze solid.
• Modern frostless freezers are more convenient than older manual-defrost models.
• The region's frostless climate allows tropical plants to thrive year-round.