watertight
adjective
1 watertight
Not allowing water to pass in or out.
Polish: wodoszczelny
2 watertight
Without flaws or loopholes:
— A watertight alibi.
synonyms: bulletproof, unassailable, unshakable.
Moby thesaurus: airtight, ballproof, bold, bombproof, bulletproof, burglarproof, close, compact, corrosionproof, dampproof, dripproof, dustproof, dusttight, fast, fire-resisting, fireproof, firm, fit for sea, flameproof, floodproof ... show more.
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