'leakproof' definitions:

Definition of 'leakproof'

From: WordNet
adjective
Not subject to leaks

Definition of 'leakproof'

From: GCIDE
  • leakproof \leak"proof`\ adj. having no leaks.
  • Syn: watertight. [WordNet 1.5]

Synonyms of 'leakproof'

From: Moby Thesaurus