UNTHINKABLE Synonyms: 66 Similar and Opposite Words

unthinkable

adjective

ˌən-ˈthiŋ-kə-bəl

Definition of unthinkable

as in incredible

too extraordinary or improbable to believe to most people it seemed unthinkable that such a gentle man could be guilty of such awful crimes

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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 unthinkable The lasting impact of the series would be unthinkable without the Barnabas character – the vampire was even slyly name-checked in the current hit Apple TV+ series Widow’s Bay. — Greg Evans, Deadline, 18 July 2026 This ongoing divide is a recipe for frustration at best and unthinkable defeat at worst. — Bill McKibben, New Yorker, 16 July 2026 One expert says such children, who may not speak very good English and are dealing with unthinkable trauma, also have unique needs. — Aj Willingham, AJC.com, 13 July 2026 In every way, such programs are unthinkable in Norway, a highly egalitarian society, in which wealth and resources are distributed evenly. — Don Riddell, CNN Money, 11 July 2026 See All Example Sentences for unthinkable

Recent Examples of Synonyms for unthinkable

Adjective

For kids and teens, this can be an incredible way to experience the world up close and personal with the familiarity and comfort that comes from your hotel traveling with you.

— Judy Koutsky, Forbes.com, 25 July 2026
The night sky has incredible depth, and there's nowhere better to learn how to appreciate that than when gazing at the Summer Triangle.

— Jamie Carter, Space.com, 24 July 2026

Definition of incredible

Adjective

The memorandum from the group, which is a conservative nonprofit that advocates for free speech, also said the DAR was unlikely to be in danger of losing its tax-exempt status by not allowing transgender members.

— Matthew Adams, Fort Worth Star-Telegram, 28 July 2026
Reluctantly drawn back into the sport, Randall becomes an unlikely mentor whose guidance helps shape a new generation of athletes while forcing him to confront his own unfinished journey.

— Rosy Cordero, Deadline, 27 July 2026

Definition of unlikely

Adjective

Atomix, with just fourteen seats along its chef’s counter, has never been easy to book, but, in the age of reservation scalpers and oligarch concierges, getting a table there has become functionally impossible.

— Helen Rosner, New Yorker, 26 July 2026
When Black voters faced threats of violence at the ballot box, the community showed up in numbers that were impossible to ignore.

— Kyle Lierman, Forbes.com, 26 July 2026

Definition of impossible

Adjective

This analogy is strangely anticlimactic and almost consoling, but a pedestrian ending comes with the territory in a scrupulously realistic book about the inconceivable.

— Gideon Lewis-Kraus, New Yorker, 25 July 2026
The major innovation of pocket books became the big selling point of Casa Editorial Maucci, which saw its products sell at an inconceivable rate, spreading like wildfire.

— Literary Hub, Literary Hub, 22 July 2026

Definition of inconceivable

Adjective

Paul Peschisolido became Fulham’s first £1million signing, then Chris Coleman arrived for £2m — fees that had been unimaginable in the third tier.

— James Pearce, New York Times, 22 July 2026
All because voters assumed that simply reaching the SEC Championship Game and beating Georgia was an unimaginable accomplishment.

— Ian Miller OutKick, FOXNews.com, 21 July 2026

Definition of unimaginable

Adjective

The real reason is that his report is an unfocused jumble of personal testimony, with no evident attempt to corroborate the lurid and sometimes unbelievable accusations made by anonymous sources.

— Helen Lewis, The Atlantic, 26 July 2026
There are two unbelievable bargains hidden in the fine print of the Connecticut Pizza & Brew Fest to take place August 2 at Hartford HealthCare Amphitheater in Bridgeport.

— Pamela McLoughlin, Hartford Courant, 25 July 2026

Definition of unbelievable

Browse Nearby Words

untethers

unthinkable

unthinkably

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“Unthinkable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unthinkable. Accessed 30 Jul. 2026.

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Synonyms of unthinkable

adjective

Example Sentences

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