UNBREACHABLE Synonyms: 44 Similar and Opposite Words

unbreachable

adjective

Definition of unbreachable

as in inviolable

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Recent Examples of unbreachable This gap used to be the most unbreachable chasm in marketing. — Jason Barnard, Rolling Stone, 12 Nov. 2025 But there has always been an unbreachable barrier between them and us. — Jeffrey Kluger, Time, 6 Nov. 2025 Dump trucks with tires twice my height rolled past us, ferrying dirt like so many ants, building what Bardini and his fellow-engineers hope will be unbreachable barriers. — James Ross Gardner, The New Yorker, 12 Jan. 2023 Best to arrive at her fort defenseless to have half a chance at challenging her own almost unbreachable defense system. — Bono, Vogue, 5 Nov. 2022 There are times when the gap between Catra and Adora felt unbreachable, and then there's the horrible robotic hivemind stuff in the final season. — Christian Holub, EW.com, 17 Feb. 2022 At the start of Europe’s migration crisis in 2015, the English Channel was regarded as an unbreachable barrier, its shifting currents and volatile weather making any attempt to cross too dangerous. — New York Times, 25 Nov. 2021 This reduces what were once formerly unbreachable barriers to entry to many industries. — Bill Fischer, Forbes, 29 Sep. 2021 The act of crossing over the supposedly unbreachable rivers of race is meant to be shameful. — Nylah Burton, refinery29.com, 26 Sep. 2021

Recent Examples of Synonyms for unbreachable

Adjective

Lai, who won election two years ago, and his ruling DPP champion Taiwan’s separate identity from China, a position that frequently angers Beijing, which views the island as an inviolable part of Chinese territory.

— Reuters, NBC news, 19 July 2026
In the United States, the idea of free speech as virtually inviolable became mainstream only in the 20th century.

— Paul Quigley, The Conversation, 13 July 2026

Definition of inviolable

Adjective

Blatter looked unassailable right up to the moment he was toppled; his long-running heir apparent was also pushed out, which is how Infantino ended up as FIFA president in the first place.

— David A. Graham, The Atlantic, 6 July 2026
Peru's right-wing presidential candidate Keiko Fujimori built what may be an unassailable lead on Tuesday as vote counting for the runoff election entered its final stages, official figures showed.

— CBS News, CBS News, 24 June 2026

Definition of unassailable

Adjective

Months of deposits came off—even the stubborn stuff between the steel rows, untouchable by other methods.

— Stephanie Osmanski, Better Homes & Gardens, 10 July 2026
The neat critical narrative is that MUSIC’s untouchable extremity knocked rage unconscious, both with its glass-shattering production and zeitgeist-engulfing sprawl.

— Eli Enis, Pitchfork, 9 July 2026

Definition of untouchable

Adjective

Playing on home soil in a venue that has become an almost impregnable fortress, El Tri will face England in the Round of 16 — in what is arguably the most important match in Mexican soccer history.

— Carlos Rodriguez, Chicago Tribune, 5 July 2026
Alexander the Great conquered it in 332 BCE after building a causeway to what had been considered an impregnable island fortress.

— Jane Arraf, NPR, 23 June 2026

Definition of impregnable

Adjective

For now, Valdez believes that leaving behind proof that no odds are insurmountable is the best way to guide generations to come.

— Carlos Aguilar, IndieWire, 16 July 2026
The series centers on siblings Karl (Judah Mackey), Addy (Eva Ariel Binder) and Michael (Tucker Chandler), who encounter everyday challenges – big and small – which sometimes feel insurmountable.

— Denise Petski, Deadline, 16 July 2026

Definition of insurmountable

Adjective

In 2008, the invincible housing market collapsed having its worst decline since World War Two.

— Kenneth G. Winans, Forbes.com, 8 July 2026
Legally an adult but still a teenager and finding your footing in the world, vacillating between feeling invincible and feeling minuscule.

— Bailey Johnson, Washington Post, 21 June 2026

Definition of invincible

Adjective

Recent conflicts have demonstrated that no main battle tank is invulnerable.

— Kaif Shaikh, Interesting Engineering, 30 June 2026
In the context of law enforcement, is the perception of Black women as inherently aggressive, threatening, and invulnerable to pain.

— Maia Niguel Hoskin, Forbes.com, 29 June 2026

Definition of invulnerable

Adjective

The Spurs are almost as bulletproof as Oklahoma City on that end of the floor, but the Thunder have a bit more versatility and are more seasoned.

— James L. Edwards III, New York Times, 27 May 2026
Later grants were used to install bulletproof glass around a playground near the street, as well as bulletproof glass in other classroom windows.

— Jeff McDonald, San Diego Union-Tribune, 25 May 2026

Definition of bulletproof

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unbraids

unbreachable

unbreakable

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Style

“Unbreachable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unbreachable. Accessed 23 Jul. 2026.

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Synonyms of unbreachable

adjective

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