UNVIABLE Synonyms: 46 Similar and Opposite Words

unviable

adjective

Definition of unviable

as in impossible

Related Words

Relevance

Dissimilar Words

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

Elwood told his boss – Peter Brown, a former member of the Beatles’ inner circle and the founder of Brown Lloyd James – that the assignment was impossible.

— Rob Picheta, CNN Money, 30 Aug. 2026
Such components can benefit from additive manufacturing because the technology lets engineers create geometries that would be difficult or impossible to produce with traditional manufacturing methods.

— Kaif Shaikh, Interesting Engineering, 29 Aug. 2026

Definition of impossible

Adjective

The solution—cutting spending or raising taxes—is politically unfeasible, especially with elections approaching.

— Howard Gleckman, Forbes.com, 20 Aug. 2026
Pearlstein says that individuals learning to take up arms is a response to the unfeasible high cost of armed guards at Jewish institutions, and also the lack of solutions to combat antisemitism from legacy organizations and advocates.

— ABC News, ABC News, 24 July 2026

Definition of unfeasible

Adjective

The company has said the design changes the states seek are technically unworkable and would compromise the value and utility of its products.

— Sonja Sharp, Los Angeles Times, 18 Aug. 2026
The county education office and the state’s Fiscal Crisis & Management Assistance Team tell district officials their plan is unworkable, and the squabble continues.

— Dan Walters, Mercury News, 11 Aug. 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

Force majeure clauses excuse a party from performance when an unforeseeable external event like extreme weather or war makes performance impossible or impractical.

— Ashlee Difuntorum, Forbes.com, 28 Aug. 2026
There is no justification for American deaths in the name of the unsustainable and impractical goal of total military dominance, let alone unnecessary wars of choice.

— Alexander Langlois, The Orlando Sentinel, 23 Aug. 2026

Definition of impractical

Browse Nearby Words

unverifiable

unviable

unvocal

See all Nearby Words

Cite this Entry

Style

“Unviable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unviable. Accessed 2 Sep. 2026.

Copy Citation

Synonyms of unviable

adjective

Example Sentences

Browse Nearby Words

Cite this Entry

More from Merriam-Webster

Word of the Day

dissonant

Popular in Grammar & Usage

A Who’s Who Regarding ‘Who’s’ and ‘Whose’

Is it 'nerve-racking' or 'nerve-wracking'?

What's the difference between 'fascism' and 'socialism'?

Why does English have so many silent letters?

7 Pairs of Commonly Confused Words

Popular in Wordplay

Ye Olde Nincompoop: Old-Fashioned Words for 'Stupid'

14 Phobias You Probably Haven't Heard Of

Even More Words That Sound Like Insults But Aren't

Even More Bird Names that Sound Like Insults (and Sometimes Are)

12 Lovely and Unusual Words for the Natural World

Popular

A Who’s Who Regarding ‘Who’s’ and ‘Whose’

Ye Olde Nincompoop: Old-Fashioned Words for 'Stupid'

14 Phobias You Probably Haven't Heard Of

Games & Quizzes