UNVIABLE Synonyms: 46 Similar and Opposite Words

unviable

adjective

Definition of unviable

as in impossible

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Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of unviable Currently, the process for obtaining data typically revolves around subscribing to APIs that charge a monthly credit card fee, and where one-off transactions are economically unviable. — Jeff John Roberts, Fortune, 26 May 2026 SpaceX has reduced costs from $15,600 per kilogram in 2008 to under $1,000 today, rendering most competitors unviable in the process. — Trefis Team, Forbes.com, 20 May 2026 And that model is proving increasingly unviable. — Elizabeth Robinson, NBC news, 6 May 2026 These conditions would make astronomical activities unviable. — ABC News, 25 Apr. 2026 See All Example Sentences for unviable

Recent Examples of Synonyms for unviable

Adjective

And during the civil wars between King and Parliament that raged across Britain in the 1640s, such ideal stasis was impossible to preserve.

— Literary Hub, Literary Hub, 28 Sep. 2026
But Trump made that all but impossible by announcing them with just five days left in the federal fiscal year and the House out of session through the November election.

— Kevin Freking, Los Angeles Times, 26 Sep. 2026

Definition of impossible

Adjective

While the city has already greenlit more than 31,000 units over the past decade, according to housing staff, nearly two-thirds of them — over 20,000 homes — determined to be financially unfeasible — remain stuck on paper.

— Ryan Macasero, Mercury News, 2 Sep. 2026
The solution—cutting spending or raising taxes—is politically unfeasible, especially with elections approaching.

— Howard Gleckman, Forbes.com, 20 Aug. 2026

Definition of unfeasible

Adjective

Or, in mathematics, if a single number were lost, the entirety of mathematical science would be flawed, incomplete, and unworkable.

— The Christian Science Monitor, Christian Science Monitor, 22 Sep. 2026
Rather than unworkable claims of an absolute certainty about an absolute reality, Rovelli sees science as an invitation to the great creative effort of seeking knowledge.

— Adam Frank, NPR, 14 Sep. 2026

Definition of unworkable

Adjective

Having legal experts evaluate large numbers of judgments was infeasible, Mehmood says, so the team asked OpenAI’s GPT-5-mini to choose between pairs of judgments from the same judge before and after training.

— Edd Gent, IEEE Spectrum, 12 Aug. 2026
Under the act, the city would need to show that the project would create a specific, adverse impact on public health or safety and that there was no reasonable way to address the problem without making the project financially infeasible.

— Nicole Buss, Sacbee.com, 10 Aug. 2026

Definition of infeasible

Adjective

The Republican appointees said the legal protections apply only in formal immigration proceedings, and would be too impracticable and burdensome to apply at the border.

— Leah Litman, The Atlantic, 26 June 2026
Steer clear of impracticable, luxurious purchases that might tempt you.

— Georgia Nicols, Denver Post, 8 May 2026

Definition of impracticable

Adjective

Notably, an analogous gene swap had previously been shown to be nonviable when introduced into ΦX174 through conventional genetic engineering.

— Elie Dolgin, IEEE Spectrum, 13 Aug. 2026
During a late April town hall featuring the independent candidates, Getty, Macías and Sigcho-López all said nonviable candidates should drop out to consolidate votes against Republicans and Patty García.

— Jack O'Connor, Chicago Tribune, 26 May 2026

Definition of nonviable

Adjective

Everyday routines depend on maps, banking, tickets, transit, rideshare and messaging, and completely disconnecting remains impractical for most people.

— Ashley Lynch, Fort Worth Star-Telegram, 24 Sep. 2026
The denominator includes greater speed, capacity and outputs that were once impractical.

— Hemant Kapadia, Forbes.com, 15 Sep. 2026

Definition of impractical

Adjective

Some have academic credentials that would make admission through Harvard’s front door highly unlikely.

— Jayson Weingarten, Fortune, 26 Sep. 2026
Fazio was one of only four senators to oppose the bill that passed with overwhelming bipartisan support, saying the state should defer to federal action that seems unlikely, given the opposition of the president.

— Mark Pazniokas, Hartford Courant, 25 Sep. 2026

Definition of unlikely

Browse Nearby Words

unverifiable

unviable

unvocal

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Style

“Unviable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unviable. Accessed 3 Oct. 2026.

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Synonyms of unviable

adjective

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