Definitions

1. adjective

free from frost or frosty weather

“The frostless winter made it easier to enjoy outdoor activities.”

2. adjective

having no frost or frosty condition

“The frostless glass door allowed for unobstructed views of the garden.”

3. noun

a device or system that prevents frost or ice from forming

“The frostless system was installed on the car’s windshield to prevent frost from forming during winter.”