"Dusttight" is a term used to describe something that is airtight and resistant to the intrusion of dust, dirt, and other small particles. Some synonyms for this term include "sealed," "hermetic," "airproof," "tight-fitting," and "impenetrable". These words are often used to describe products like containers, bags, and seals that need to be impervious to dust and other airborne particles. Other similar terms that may be used include "watertight," "weatherproof," and "airtight". Ultimately, when it comes to keeping your belongings or your environment clean, finding dusttight solutions can make all the difference in maintaining a healthy and hygienic space.