Find Antonyms

watertightness Antonyms

Opposite of watertightness

Because the opposite of watertightness shifts with each meaning, the antonyms and opposite words below are separated across 2 exact definitions and ranked by contrast strength.
JUMP TO:

• noun (Context 1)

The quality or state of being so closely and firmly sealed or constructed that water cannot enter or escape.

Usage Example

"Marine engineers conducted rigorous pressure tests to verify the leakiness of the submarine's hull before its maiden voyage."

Strongest
leakiness
permeability
Strong
porosity

• noun (Context 2)

The quality of an argument, contract, plan, or alibi of being completely sound, leaving no loopholes, flaws, or room for doubt.

Usage Example

"The legal team reviewed every clause of the agreement to ensure its absolute fallibility against potential future disputes."

Strong
fallibility
weakness
vulnerability

Similar words to watertightness

Words similar to watertightness shift depending on context. Common synonyms include:

airtightness
impermeability
waterproofness
soundness
ironcladness
imperviousness
infallibility
See all synonyms of watertightness

Cite this Entry


Wordmom. (2026). Antonyms for Watertightness. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/watertightness
Built for writers, students, and competitive word game players, Wordmom combines an uncluttered English dictionary and thesaurus with fast, pattern-based word finders so you can verify definitions, synonyms, and high-scoring tile plays in one place.
Dictionary & Reference
© 2016–2026 Wordmom Network. All rights reserved. Made with for word lovers everywhere.
Disclaimer: SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A. and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro. Words With Friends® is a registered trademark of Zynga Inc. Wordle® is a registered trademark of The New York Times Company. Other referenced game titles and tournament lexicon codes (including NASPA NWL and WESPA/HarperCollins CSW) are trademarks of their respective owners. Wordmom is an independent reference utility for educational and entertainment purposes and is not affiliated with, sponsored by, or endorsed by Hasbro, Mattel, Spear, Zynga, The New York Times Company, NASPA, WESPA, or HarperCollins Publishers. All game names are referenced strictly under nominative fair use to indicate compatibility.