What is another word for leak-proof?
Pronunciation: [lˈiːkpɹˈuːf] (IPA) 
Leak-proof is a term used to describe a product or material that is designed to prevent any liquid or gas from escaping. Synonyms for this term include watertight, impermeable, airtight, secure, sealed, and tight. Watertight refers specifically to the ability to prevent water from escaping. Impermeable and airtight are broader terms that refer to the prevention of any liquid or gas from escaping. Secure and sealed suggest the presence of a lid or covering that prevents leaks. Tight can also be used to describe something that is leak-proof or airtight. When searching for products with these qualities, it is important to look for these descriptive terms to ensure maximum effectiveness.
