LEAKPROOF

leakproof

(adjective) not subject to leaks

Source: WordNet® 3.1

Etymology

Adjective

leakproof (comparative more leakproof, superlative most leakproof)

Resistant to leaks; hermetic, sound; as of a dry cell battery.

Verb

leakproof (third-person singular simple present leakproofs, present participle leakproofing, simple past and past participle leakproofed)

(transitive) To make resistant to leakage.

Source: Wiktionary

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