Weather-beaten is an adjective used to describe something that has been exposed to the elements and has become AGED or WORN. It is often used to describe objects such as furniture, buildings, and even people. The crossword solutions for this term are AGED and WORN, both of which have four letters. AGED implies that something has grown old over time due to exposure to the weather, while WORN implies that something has been damaged or deteriorated due to the same exposure.