watertight

adjective

wa·​ter·​tight ˌwȯ-tər-ˈtīt How to pronounce watertight (audio)
ˌwä-
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
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 Elsewhere, all the seasickness and disorientation — down to the sound of the bullets and the code names of Omaha Beach sectors — were factually watertight. Tomris Laffly, EW.com, 6 July 2024 This is literally making sure the car is watertight and noise proof because sealing also stops noise getting in. WIRED, 15 June 2023 Read the fine print before buying, as most are not watertight and will be destroyed by too much moisture. Lorraine Wilde, Treehugger, 7 June 2023 This sizable sedan can also turn in a circle of less than 35 feet, and its longish tail provides a 17-cubic-foot trunk that also contains a pass-through to the rear seat with a watertight ski bootie. Larry Griffin, Car and Driver, 7 Aug. 2023 See all Example Sentences for watertight 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'watertight.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

15th century, in the meaning defined at sense 1

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

Dictionary Entries Near watertight

Cite this Entry

“Watertight.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/watertight. Accessed 5 Nov. 2024.

Kids Definition

watertight

adjective
wa·​ter·​tight ˌwȯt-ər-ˈtīt How to pronounce watertight (audio)
ˌwät-
1
: made to keep water out
a watertight compartment
2
: allowing no possibility for doubt or uncertainty
a watertight case against the accused

More from Merriam-Webster on watertight

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!