NONVIABLE Synonyms: 46 Similar and Opposite Words

nonviable

adjective

Definition of nonviable

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 nonviable Such pregnancies are nonviable and can be fatal to the mother. — Peter Slevin, New Yorker, 1 Sep. 2025 These threats erupted after the Wall Street Journal reported on my life-threatening ectopic pregnancy—a nonviable pregnancy with no heartbeat. — Khaleda Rahman, MSNBC Newsweek, 26 June 2025 Thus, access to some of the most effective contraceptive methods could be jeopardized at a time when the right to terminate an unintended or nonviable pregnancy has been rolled back in much of the country. — Carol S. Weisman, The Conversation, 23 June 2025 The pregnancy is nonviable, and can be life-threatening if not removed. — Stephanie McNeal, Glamour, 19 June 2025 See All Example Sentences for nonviable

Recent Examples of Synonyms for nonviable

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

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

Trucks and storage facilities fill up quickly with material that yields little value by weight, making collection and transport economically unviable.

— Bloomberg, Mercury News, 16 July 2026
While the economics of hydrogen production have historically rendered the technology unviable in most cases, a community like Vieques is one specific instance where the costs might just balance out.

— IEEE Spectrum, IEEE Spectrum, 15 July 2026

Definition of unviable

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

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

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

nonverbal

nonviable

nonviolence

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Style

“Nonviable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/nonviable. Accessed 29 Sep. 2026.

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Synonyms of nonviable

adjective

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