watertight

[ waw-ter-tahyt, wot-er- ]

/ ˈwɔ tərˌtaɪt, ˈwɒt ər- /

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adjective

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 nullify: a watertight contract; a watertight alibi.

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Which sentence is correct?

His boss, whom he admires, is waiting to meet with him about the big project.

His boss, who he admires, is waiting to meet with him about the big project.

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Origin of watertight

Middle English word dating back to 1350–1400; see origin at water, tight

OTHER WORDS FROM watertight

wa·ter·tight·ness, nounnon·wa·ter·tight, adjective

Words nearby watertight

water table, water target, water taxi, water thrush, water tiger, watertight, Waterton-Glacier International Peace Park, Waterton Lakes National Park, water torture, water tower, Watertown

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use watertight in a sentence

Especially if you’re a swimmer, you need a watertight monitor.
Achieve your perfect pace with the best heart rate monitors|Andrew Waite|October 27, 2021|Popular-Science
Ultimately, what publishers want is control — a watertight way to share their data with advertisers without it inadvertently spilling over into the rest of the ad ecosystem.
‘We’re not investing right now’: Publishers skeptical as ID tech comes knocking|Seb Joseph|May 20, 2021|Digiday
If you haven’t already built your own first aid kit, a watertight, premade medical kit like this one is your best bet.
How to Pack for Your First Overnight Kayak Trip|Joe Jackson|March 30, 2021|Outside Online
He denies complete culpability and has blamed mechanical failures, including malfunctioning watertight doors, for the sinking.
South Korea’s Ferry Disaster Gives Us a New Cowardly Captain to Hate|Barbie Latza Nadeau|April 22, 2014|DAILY BEAST

The anthrax powder is secreted in a small watertight container that easily passes inspection at JFK.
The Coming Bioattack|Stephan Talty|June 5, 2009|DAILY BEAST
If live grasshoppers, or similar bait, is desired the cork can be used unnotched to form a watertight stopper.
The Boy Mechanic, Book 2|Various
In one instance (at Firek Gol, near Van) even the dam is still intact, but is no longer watertight.
The Cradle of Mankind|W.A. Wigram
The ballast-tanks were found to be leaking and Gillies had considerable trouble in making them watertight.
The Home of the Blizzard|Douglas Mawson
It was attacked on this side and that; its foundations were pronounced bad and its superstructure not watertight.
The Panama Canal|Frederic Jennings Haskin
These roofings are laid on over boards and secured in position by nails, the joinings being made watertight with cement.
Making a Poultry House|Mary Roberts Conover

British Dictionary definitions for watertight

watertight

/ (ˈwɔːtəˌtaɪt) /

adjective

not permitting the passage of water either in or outa watertight boat

without loopholesa watertight argument

kept separate from other subjects or influencesdifferent disciplines are often thought of in watertight compartments

Derived forms of watertight

watertightness, noun

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

watertight

Origin of watertight

OTHER WORDS FROM watertight

Words nearby watertight

Words related to watertight

How to use watertight in a sentence

British Dictionary definitions for watertight

Derived forms of watertight