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 Unprecedented wildfires have plagued France and Spain; hospitals in England are debating the previously unthinkable — installing air conditioners. — Jack Dolan, Los Angeles Times, 10 Sep. 2026 Architecture is the one art, together with dance and theatre, that is unthinkable without space. — Scott Roxborough, HollywoodReporter, 6 Sep. 2026 For Alexandre Gobillard, production director at the Gobillard & Fils Champagne house, beginning the harvest in mid-August was once almost unthinkable. — ABC News, 20 Aug. 2026 The possible move, unthinkable for legacy studios but in keeping with exits by businesses in other sectors, has only stiffened opposition to the merger in some corners. — Dade Hayes, Deadline, 20 Aug. 2026 See All Example Sentences for unthinkable

Recent Examples of Synonyms for unthinkable

Adjective

But Crow-Armstrong, through an incredible early-season approach adjustment combined with tweaks to his stance and hand placement, keeps putting on a show with his power production.

— Meghan Montemurro, Chicago Tribune, 20 Sep. 2026
With stunning use of practical effects and an incredible lead performance, this is one of the best horror films of the 2020s.

— Brian Tallerico, Vulture, 19 Sep. 2026

Definition of incredible

Adjective

Critics of Prop 40 have also warned California’s levy is unlikely to be a one-time deal, and the letter sees a similar levy on billionaires elsewhere.

— Jason Ma, Fortune, 19 Sep. 2026
Thrifted clothes have become an unlikely fashion flex for Hollywood’s haute couture hoarders and other trend-setters.

— Los Angeles Times, Los Angeles Times, 19 Sep. 2026

Definition of unlikely

Adjective

Those reporting her firing or the incredulous facts supporting that fiction have exhibited a complete and utter reckless disregard for the truth.

— Brian Steinberg, Variety, 4 Sep. 2026
When a boater posted footage of the new island on social media, incredulous officials thought the video was AI-generated, according to the New York Times.

— Frank Landymore, Futurism, 2 Sep. 2026

Definition of incredulous

Adjective

The agent claims to have personally witnessed Foster training for the role at an FBI fingerprinting lab, a coincidence that feels both inconceivable and difficult to invalidate beyond any shadow of a doubt.

— Alex Greenberger, ARTnews.com, 18 Sep. 2026
The self-loathing that burns in the creators, who are willing to harm their homeland just to get applause from antisemites around the world, is inconceivable and constitutes a betrayal of the state.

— Tom Tapp, Deadline, 13 Sep. 2026

Definition of inconceivable

Adjective

His job at AllSaints has opened the doors to top-tier suppliers, product-planning, quality control, and hard data on what actually moves on the shop floor — luxuries that would have been unimaginable for a four-year-old London label.

— Tianwei Zhang, Footwear News, 18 Sep. 2026
The companies building these centers are spending unimaginable sums.

— Kam Shenai, The Orlando Sentinel, 18 Sep. 2026

Definition of unimaginable

Adjective

That second half is unbelievable to find a way to come out with a win.

— Alex Kushel, Sun Sentinel, 18 Sep. 2026
If college is defined by unbelievable disasters that become lifelong stories, then this singular tale of friendship is forged in the aftermath of connecting through a very public mistake.

— Alison Foreman, IndieWire, 17 Sep. 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 23 Sep. 2026.

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Synonyms of unthinkable

adjective

Example Sentences

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