Leak-proof
Synonyms for Leak-proof
- airtightimpenetrable
- denseimpenetrable
- hermeticimpenetrable
- impassableimpenetrable
- imperviousimpenetrable
- sealedimpenetrable
- waterproof
- nonporous
- water-resistant
- watertight
- impermeable
- impenetrable
- resistant
- rainproof
- solid
For more similar words, try Leak-proof on Thesaurus.plus dictionary