The meaning of WATERTIGHT is of such tight construction or fit as to be impermeable to water except when under sufficient pressure to produce structural discontinuity.

1. So tightly made that water cannot enter or escape. 2. Having no flaws or loopholes; impossible to fault, refute, or evade: a watertight alibi; a watertight contract.

watertight adjective (NO DOUBTS) (of a theory, plan, or agreement) formed very carefully in every detail so that nothing is uncertain or in doubt:

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Definition of watertight adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Something that is watertight does not allow water to pass through it, for example because it is tightly sealed. The flask is completely watertight, even when laid on its side. The batteries are safely …

When something is watertight, it's sealed so securely that no liquid can get in or out. If your goggles aren't watertight, your eyes will sting after your swimming lesson.

3 days ago · watertight (comparative more watertight, superlative most watertight) What a day, eh? Demmy, it's like the commencement of the rainy season in Bengal. But you'll find my carriage is …

wa•ter•tight (wô′ tər tīt′, wot′ ər-), adj. constructed or fitted so tightly as to be impervious to water: The ship had six watertight compartments. so devised or planned as to be impossible to defeat, evade, or …

WATERTIGHT meaning: 1 : put or fit together so tightly that water cannot enter or pass through; 2 : too strong or effective to fail or to be defeated