UNIMAGINABLE Synonyms: 66 Similar and Opposite Words

unimaginable

adjective

ˌən-ə-ˈmaj-nə-bəl

Definition of unimaginable

as in incredible

too extraordinary or improbable to believe a nearly unimaginable string of coincidences

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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 unimaginable What happened in that classroom was unimaginable, and like so many in this community, my heart is broken for everyone affected by this tragedy. — Katu Staff, Baltimore Sun, 22 Oct. 2026 Most impressive, perhaps, is the dignity, self-control, and calm that Gershkovich demonstrated while facing unimaginable trials and without much of a support network. — Terry Hartle, Christian Science Monitor, 22 Oct. 2026 The film includes extensive dramatizations immersing viewers in this almost unimaginable story. — Matthew Carey, Deadline, 20 Oct. 2026 Precision therapies can support diagnosis and personalize treatment options at a pace that would have been unimaginable just a decade ago. — Brad Kreick, Forbes.com, 16 Oct. 2026 See All Example Sentences for unimaginable

Recent Examples of Synonyms for unimaginable

Adjective

Achieving incredible data transmission speed The researcher fabricated the device using a 300-millimeter silicon-on-insulator manufacturing process.

— Rupendra Brahambhatt, Interesting Engineering, 24 Oct. 2026
This year’s incredible class of awardees includes Jason Bolden, Kellon Deryck, Molly Greenwald, Chris Horan, Amy Komorowski, Thuy Nguyen, Law Roach, and Trish Summerville.

— InStyle, InStyle, 24 Oct. 2026

Definition of incredible

Adjective

Some congressional Democrats were incredulous, saying the email might simply have been deleted and that the firm’s analysis did not explain why or how someone might have manufactured the message.

— New York Times, New York Times, 22 Oct. 2026
In a true turn of events that would seem almost incredulous in a Hollywood script, the boss of a now defunct production company that specialized in true crime is wanted by the Federal Bureau of Investigation.

— Dominic Patten, Deadline, 14 Oct. 2026

Definition of incredulous

Adjective

Friedman began her remarks by reminding the audience of von Furstenberg’s unlikely beginning, born in Brussels to a Holocaust survivor.

— Ariel Bielsky, Vogue, 24 Oct. 2026
Dahlia Scheindlin, a veteran pollster who works for left-of-center candidates and parties in Israel, speculated that the number of returning overseas voters was unlikely to be big enough to change the outcome of the election.

— Daniel Brook, New Yorker, 24 Oct. 2026

Definition of unlikely

Adjective

Serhii Beskrestnov, a defense technology adviser to President Volodymyr Zelenskyy, said long-standing restrictions on the civilian system in Ukraine made such offensive use impossible.

— Arkansas Online, Arkansas Online, 26 Oct. 2026
The two versions of Israel that could result are so divergent as to seem impossible to reconcile.

— Ruth Margalit, New Yorker, 25 Oct. 2026

Definition of impossible

Adjective

But the story of twentieth-century democracy from Watergate to the Pentagon Papers is inconceivable without print.

— Literary Hub, Literary Hub, 14 Oct. 2026
Technology, public taste and economic conditions all contributed to its once-inconceivable drastic makeover.

— Rick Nicita, HollywoodReporter, 30 Sep. 2026

Definition of inconceivable

Adjective

Dubbed 'Flash Charging,' this allows the Atto 8’s massive 115-kilowatt-hour battery to rocket from a 10% charge up to 70% capacity in an almost unbelievable five minutes.

— New Atlas, New Atlas, 17 Oct. 2026
What Zoe [Kazan] has done with Steinbeck’s East of Eden is just unbelievable.

— Brian Davids, HollywoodReporter, 14 Oct. 2026

Definition of unbelievable

Browse Nearby Words

unilluminating

unimaginable

unimaginative

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“Unimaginable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unimaginable. Accessed 2 Nov. 2026.

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Synonyms of unimaginable

adjective

Example Sentences

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