Find Synonyms

unsustainability Synonyms

Another word for unsustainability

Choosing another word for unsustainability depends on context, so the synonyms and similar words below are separated across 2 exact definitions and ranked by match strength.
JUMP TO:

• noun (Context 1)

The quality or state of not being able to be maintained at the current rate or level over the long term, especially due to the depletion of natural, economic, or human resources.

Usage Example

"The report highlighted the long-term inviability of relying exclusively on fossil fuels for global energy production."

Strong
inviability
unviability
untenability
Weak
instability

• noun (Context 2)

The state of being unable to be defended, justified, or upheld against criticism or logical scrutiny.

Usage Example

"The legal team quickly pointed out the untenability of the witness's contradictory testimony."

Strongest
untenability
Strong
indefensibility
implausibility

Opposites of unsustainability

The opposite of unsustainability shifts depending on context. Common opposites include:

sustainability
tenability
defensibility
viability
validity
soundness
durability
stability
See all opposites of unsustainability

Cite this Entry


Wordmom. (2026). Synonyms for Unsustainability. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/unsustainability
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.