1. leakproof - Adjective
2. leakproof - Verb
3. leakproof - Adjective Satellite
not subject to leaks
Source: WordNetSuch fittings would be well-suited for use in ultra-cold, permanently shadowed regions of the Moon, or for use as leakproof plumbing fixtures for processing hazardous chemicals, oil or gas in dusty locations on Earth. Source: Internet
“We’ve been working in partnership with innovative New Zealand company Twiice to explore the future of edible coffee cups, which are vanilla flavoured and leakproof. Source: Internet