All-weather is a term that is often used to describe something that is able to withstand all types of weather conditions. There are many synonyms that can be used in place of the term all-weather, such as weatherproof, rugged, durable, sturdy, and robust. These words all convey the idea that something is able to withstand adverse weather conditions, whether it be extreme heat, cold, rain, or wind. Other synonyms for all-weather include hardy, resilient, and strong, which all suggest that something is able to withstand harsh conditions and remain intact. Ultimately, whether you use the term all-weather or one of its synonyms, the message is clear that something is built to withstand the elements.