INSUPERABLE Synonyms: 114 Similar and Opposite Words

insuperable

adjective

(ˌ)in-ˈsü-p(ə-)rə-bəl

Definition of insuperable

as in insurmountable

incapable of being defeated, overcome, or subdued the building project ran into insuperable financial difficulties and had to be scrapped

Synonyms & Similar Words

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Antonyms & Near Antonyms

as in impossible

incapable of being solved or accomplished insuperable problems have arisen which make it very unlikely that we will ever finish this project

Synonyms & Similar Words

Antonyms & Near Antonyms

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 insuperable Orban succeeded in this enterprise to what seemed like an insuperable level. — Melik Kaylan, Forbes.com, 28 Apr. 2026 Raise the stakes, place insuperable obstacles before the protagonist, have the protagonist somehow surmount them while becoming braver and better. — Adam Gopnik, New Yorker, 9 June 2025 Television’s tendency to play down to the masses — manipulating our individual needs for attention, for agreement, or simply to win — is an insuperable problem at this particular, shameless moment in pop culture. — Armond White, National Review, 16 Oct. 2024 This attitude, although understandable, creates an insuperable barrier to creating a better policy. — Alan S. Blinder, Foreign Affairs, 11 Dec. 2018 See All Example Sentences for insuperable

Recent Examples of Synonyms for insuperable

Adjective

Maybe your favorite wrestler finally overcomes insurmountable odds to become a world champion.

— Ryan Gaydos OutKick, FOXNews.com, 2 Sep. 2026
But writing a memoir about her lifelong relationship with Freddie Mercury felt insurmountable.

— Melissa Ruggieri, USA Today, 2 Sep. 2026

Definition of insurmountable

Adjective

Underwood wasn’t Michigan’s only problem, but his struggles were impossible to ignore.

— Austin Meek, New York Times, 6 Sep. 2026
In a community where trust in the immigration system and other authorities had eroded, Ortega became someone who had been through the same fear and knew how to navigate a system that many families found impossible to understand.

— Laura Rodríguez Presa, Chicago Tribune, 6 Sep. 2026

Definition of impossible

Adjective

But the advent of NIL has turned the gap into an unconquerable chasm.

— Dana O’Neil, CNN Money, 6 Sep. 2026
The rescue party made its way to New York harbor by train, private car, and then two bicycles shared among the three of them—Frank, Sarah’s husband, on one; Sarah and Billo on the other—when shipyard traffic proved unconquerable by automobile.

— Claire Carusillo, Harpers Magazine, 4 Aug. 2026

Definition of unconquerable

Adjective

In any case, the epilogue sticks the landing and allows audiences to leave the theater feeling riled up rather than hopeless.

— Christian Zilko, IndieWire, 9 Sep. 2026
Corruption was endemic, and the country’s deeper troubles—its poverty, its social inequities, and the hopeless conditions that drive millions of Nepalis to emigrate for work—endured, laying the kindling for last year’s explosion.

— Ishaan Tharoor, New Yorker, 29 Aug. 2026

Definition of hopeless

Adjective

Dropped catches from Steve Smith, Green and Travis Head ensured yesterday's brief rally in the field fizzled out and allowed Bangladesh to bat itself into an almost impregnable position.

— ABC News, ABC News, 14 Aug. 2026
The shell of a good- sized adult abalone is more or less impregnable to most of the kelp forest’s predators, too strong and too thick for penetration.

— Literary Hub, Literary Hub, 29 July 2026

Definition of impregnable

Adjective

Located on scenic Peaks Island in Casco Bay, Portland's Inn on Peaks Island has unbeatable views and vibes, with just six guest rooms and a popular pub.

— Condé Nast, Condé Nast Traveler, 2 Sep. 2026
Chicago was nearly unbeatable the next three seasons, setting a then-record with 72 wins in 1995-96 with Jordan winning another title and his fourth MVP.

— ABC News, ABC News, 1 Sep. 2026

Definition of unbeatable

Adjective

Google also doesn’t claim that SynthID is invulnerable—the original paper on the technology notes that the watermark is not intended to withstand adversarial attacks.

— ArsTechnica, ArsTechnica, 29 July 2026
For Ross, this gives the character a steadier presence than the standard invulnerable operative often found in genre fiction.

— Matt Emma, USA Today, 29 July 2026

Definition of invulnerable

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in sum

insuperable

insupportable

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“Insuperable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/insuperable. Accessed 16 Sep. 2026.

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Synonyms of insuperable

adjective

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