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

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 But over time, research revealed data leakage; the identity protections weren’t so watertight after all. New York Times, 4 June 2022 At the end of the assembly line, Rivian has a single machine to test that its vehicles are watertight. Sean Mclain, WSJ, 4 June 2022 To keep Pop dry, give him this watertight rain coat for Father's Day. Kylee Mcguigan, Popular Mechanics, 12 May 2022 This carry-on is crafted with the same lightweight material and watertight O-ring gaskets as the brand’s classic cases, but with new features like quiet-rolling stainless-steel wheels, mesh organizational pockets, and packing cubes. Outside Online, 8 Sep. 2020 The torrent required the reallocation of dollars to ensure the church was watertight and exposed far more damage than was known: beams weakened by termite infestation, years of water damage, and time. Roy S. Johnson | Rjohnson@al.com, al, 4 May 2022 With Queen Elizabeth II just hours from returning to Windsor Castle after an Easter break in Sandringham, security at her primary residence should have been watertight. Omid Scobie, Harper's BAZAAR, 3 May 2022 But not everyone thinks the industry has watertight immunity to keep exporting goods to Russia. Grace Browne, Wired, 18 Mar. 2022 But Onkalo is dug deep into a specific, nearly watertight form of bedrock that underlies the whole site. Caroline Delbert, Popular Mechanics, 10 Mar. 2022 See More

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.

First Known Use of watertight

15th century, in the meaning defined at sense 1

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

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Dictionary Entries Near watertight

water tiger


watertight compartment

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Last Updated

15 Jun 2022

Cite this Entry

“Watertight.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/watertight. Accessed 9 Aug. 2022.

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More Definitions for watertight


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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