Synonyms of unsustainable

unsustainable

adjective

as in unsupportable

Related Words

• unsupportable
• unverifiable
• unprovable
• insupportable
• indemonstrable
• refutable
• debatable
• disputable
• disprovable

Dissimilar Words

• sustainable
• empirical
• demonstrable
• verifiable
• provable
• supportable
• checkable
• confirmable
• justifiable
• well-founded
• certifiable
• excusable
• defensible
• documentable
• warrantable
• vindicable

Example Sentences

Recent Examples of unsustainable

For the moment, the Defense Department’s investments are operating in a legal morass that lawmakers in both parties see as unsustainable. — Eleanor Mueller, semafor.com, 21 Sep. 2026

But the lack of consistent guidelines has led to unsustainable bidding wars between schools offering seven-figure salaries. — The Orlando Sentinel, 19 Sep. 2026

Ferrandino warned Medicaid is growing at nearly twice the rate of the General Fund and is unsustainable even if the state's spending caps under the Taxpayer Bill of Rights are eliminated. — Shaun Boyd, CBS News, 18 Sep. 2026

Other research has shown, however, that these efforts probably can offset only a small fraction of the unsustainable extraction in the valley. — Ian James, Los Angeles Times, 17 Sep. 2026