Find Synonyms
airtightness Synonyms
Another word for airtightness
Choosing another word for airtightness depends on context, so the synonyms and similar words below are separated across 2 exact definitions and ranked by match strength.
• noun (Context 1)
The state or quality of being completely sealed so that no air or gas can enter or escape.
Usage Example
"The engineers tested the impermeability of the newly constructed building to maximize its energy efficiency."
Strong
impermeability
• noun (Context 2)
The quality of having no weak points, loopholes, or flaws (such as an argument, alibi, or legal contract).
Usage Example
"The defense attorney was confident in the soundness of the suspect's alibi."
Strong
soundness
infallibility
Opposites of airtightness
The opposite of airtightness shifts depending on context. Common opposites include:
permeability
porosity
leakiness
fallibility
vulnerability
Cite this Entry
Wordmom. (2026). Synonyms for Airtightness. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/airtightness