wa·​ter·​tight | \ ˌwȯ-tər-ˈtīt How to pronounce watertight (audio) , ˌwä- \

Definition of watertight

1 : of such tight construction or fit as to be impermeable to water except when under sufficient pressure to produce structural discontinuity
2 : leaving no possibility of misconstruction or evasion a watertight lease

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Other Words from watertight

watertightness noun

Examples of watertight in a Sentence

The doors are all watertight. The evidence against the defendant was watertight.
Recent Examples on the Web The real highlight of this dish is the patented, locking lid that is leakproof and watertight. Chris Hachey, BGR, 7 June 2021 Plus, the latches are supertight, securing the lid to the container and providing an air- and watertight seal. Judy Koutsky, Forbes, 19 Mar. 2021 Borrell said the legal case against officials directly responsible for Navalny’s imprisonment would be more watertight. Washington Post, 22 Feb. 2021 As a brand, Yeti is known for its ultra-durable products, from coolers to watertight dry bags, and these new bags are no exception. Madeline Diamond, Travel + Leisure, 22 Feb. 2021 The simple roll-top closure, with a buckle, is very effective and watertight—just like a dry bag. Bradley Ford, Popular Mechanics, 23 June 2020 Most aluminum decking planks have interlocking edges, which create gap-free, watertight decks. Joseph Truini, Popular Mechanics, 7 June 2020 Arizona State University recently needed a watertight lobby in a student housing complex that could withstand a flash flood. Kimberly Miller, sun-sentinel.com, 5 Dec. 2019 Banks cannot promise a fixed maturity date, cannot guarantee coupons and cannot even provide a watertight pledge that the coupon will be paid before the dividend or bonuses. James Mackintosh, WSJ, 17 Feb. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'watertight.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of watertight

15th century, in the meaning defined at sense 1

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Time Traveler for watertight

Time Traveler

The first known use of watertight was in the 15th century

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Statistics for watertight

Last Updated

15 Jun 2021

Cite this Entry

“Watertight.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/watertight. Accessed 22 Jun. 2021.

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More Definitions for watertight



English Language Learners Definition of watertight

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


wa·​ter·​tight | \ ˌwȯ-tər-ˈtīt How to pronounce watertight (audio) , ˌwä- \

Kids Definition of watertight

: so tight as to be waterproof The pipe's joints are watertight.

More from Merriam-Webster on watertight

Thesaurus: All synonyms and antonyms for watertight

Nglish: Translation of watertight for Spanish Speakers


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