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Showing results for watertight. Search instead for watertightn.
Definitions

watertight

[waw-ter-tahyt, wot-er-] / ˈwɔ tərˌtaɪt, ˈwɒt ər- /
ADJECTIVE
hermetic
Synonyms
WEAK
completely sealed impervious sealed shut tight waterproof
ADJECTIVE
impermeable
Synonyms
WEAK
airtight dense hermetic impassable impervious leak-proof nonporous sealed water-resistant waterproof
ADJECTIVE
impervious
Synonyms
STRONGEST
immune impassable impenetrable inaccessible invulnerable resistant unaffected unmoved
STRONG
imperviable
WEAK
closed to hermetic impassive impermeable sealed tight unapproachable unpierceable unreceptive
Antonyms
STRONGEST
affected moved susceptible
WEAK
exposed open penetrable responsive sensitive vulnerable
ADJECTIVE
right
Synonyms
STRONGEST
correct perfect proper sure true valid
STRONG
absolute amen complete exact faithful nice real sound utter
WEAK
admissible authentic bona fide factual free of error genuine immaculate indubitable inerrant infallible just on the money on the nose out-and-out punctilious right as rain right on righteous rigorous satisfactory solemn strict thoroughgoing undistorted undoubted unerring unmistaken veracious veridical veritable
Antonyms
STRONGEST
false flawed imprecise inaccurate incorrect invalid unacceptable wrong
STRONG
imperfect incomplete inexact uncertain unreliable untrue
WEAK
inadmissible
ADJECTIVE
tight
Synonyms
STRONGEST
airtight fast short uncomfortable
WEAK
blind blocked bolted choking clumped cramping crushing cutting fastened firm fixed hermetic hermetically sealed impenetrable impermeable impervious locked nailed obstructed padlocked pinching plugged proof secure shrunken shut skintight slammed smothering snapped sound stopped up tied tied-up
Antonyms
STRONGEST
loose
WEAK
open slack unsealed

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Problems with mould were first identified by infection control teams more than three years ago when they spotted that plasterboard panels had been fitted or stored in the buildings before they were fully watertight.

From BBC • Mar. 19, 2026

Its general secretary Paul Nowak called for ministers to "finish the job as soon as possible", warning that secondary legislation to bring in the measures must be "watertight".

From BBC • Jan. 7, 2026

The crew needed a watertight soundstage for that scene, so they savvily constructed the set in the school’s empty pool, where overflowing water would not be an issue.

From MarketWatch • Dec. 29, 2025

The crash should have flooded just two of the boat's six watertight compartments, but a missing door meant that three were compromised, dooming the vessel.

From Barron's • Dec. 2, 2025

Water had leaked in and dripped down the stairs but he thought the bunker itself seemed pretty watertight.

From "The Road" by Cormac McCarthy