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.
• 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
Cite this Entry
Wordmom. (2026). Antonyms for Watertightness. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/watertightness