watertight
adjective
wa·ter·tight
| \ ˌwȯ-tər-ˈtīt
, ˌwä-\
, 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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Examples of watertight in a Sentence
The doors are all watertight.
The evidence against the defendant was watertight.
Recent Examples on the Web
When police officers arrest a small-town English teacher and Little League coach for murder, the case looks watertight. — New York Times, "8 New Books We Recommend This Week," 7 June 2018 The ripcord on one of the flares being carried over a crewman’s shoulder snagged on the edge of a watertight door. — John Mccain, Popular Mechanics, "Fire on the Flight Deck," 27 Aug. 2018 The ripcord on one of the flares being carried over a crewman’s shoulder snagged on the edge of a watertight door. — John Mccain, Popular Mechanics, "Fire on the Flight Deck," 27 Aug. 2018 The vessels are not watertight or pressurized, so a team of divers takes the pilots down, supplying them with air all the while. — Jay Bennett, Popular Mechanics, "The Preposterous World of Human-Powered Submarine Racing," 9 Aug. 2017 Balanchine specialized in rhythmically watertight constructions that exist in brilliantly close counterpoint with their scores. — Alastair Macaulay, New York Times, "City Ballet’s ‘Robbins 100’: Making Music Theatrical," 22 May 2018 The ripcord on one of the flares being carried over a crewman’s shoulder snagged on the edge of a watertight door. — John Mccain, Popular Mechanics, "Fire on the Flight Deck," 27 Aug. 2018 The ripcord on one of the flares being carried over a crewman’s shoulder snagged on the edge of a watertight door. — John Mccain, Popular Mechanics, "Fire on the Flight Deck," 27 Aug. 2018 The agency said at the time that companies should provide more buoyancy, such as watertight compartments, to ensure boats remained upright and afloat in the event of flooding, according to the lawsuit. — Kris Maher, WSJ, "Family of Duck Boat Victims Sues Tour Operator," 30 July 2018These 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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More Definitions for watertight
watertight
adjective
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
See the full definition for watertight in the English Language Learners Dictionary
watertight
adjective
wa·ter·tight
| \ ˌwȯ-tər-ˈtīt
, ˌwä-\
, ˌwä-\
Kids Definition of watertight
: so tight as to be waterproof
The pipe's joints are watertight.