UNBREAKABLE Synonyms: 33 Similar and Opposite Words

unbreakable

adjective

Definition of unbreakable

as in durable

not able to be broken The two of them had an unbreakable bond of friendship. The plastic is virtually unbreakable.

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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 unbreakable Logan wields unbreakable, atomically sharp adamantium claws, yet enemies feel like bloated punching bags that require mindless button-mashing to stagger. — Gabriel Zamora, PC Magazine, 10 Sep. 2026 These two former Texas Rangers lead an unforgettable cast of characters across the American west in this sweeping odyssey defined by unrequited longing, unbreakable friendship, brutal frontier justice, and an unwavering pursuit of a meaningful life. — Nellie Andreeva, Deadline, 8 Sep. 2026 Protect Your Sleep and Your Boundaries Poor sleep makes brain fog and mood swings infinitely worse, so treat your bedtime like an unbreakable appointment. — Tabitha Britt, Flow Space, 1 Sep. 2026 That truce, born from the scars of Europe’s bloody religious wars and America’s own colonial theocracies, was deemed unbreakable, but Falwell was making inroads toward prying it apart. — Literary Hub, 25 Aug. 2026 See All Example Sentences for unbreakable

Recent Examples of Synonyms for unbreakable

Adjective

Materials that are stiff and strong tend to be good at conducting heat, while materials that are soft and less durable tend to be better at blocking heat.

— Maryna Holovnova, New Atlas, 12 Oct. 2026
As Josh noted, a lot of this recent fundamental momentum is thought of as cyclical and not durable by the analysts.

— Josh Brown,Sean Russo, CNBC, 12 Oct. 2026

Definition of durable

Adjective

The Billboard Lifetime Achievement Award is presented to an artist with an enduring and exceptional career whose work has expanded the reach of Latin music worldwide.

— Sigal Ratner-Arias, Billboard, 13 Oct. 2026
With the next World Cup still four years away, however, Pochettino is looking beyond the results toward building something enduring.

— Kevin Baxter, Los Angeles Times, 13 Oct. 2026

Definition of enduring

Adjective

While this is online only for now, Harper sees brick and mortar in its future, whether that’s in the form of a pop up or a more permanent presence in a couple of key cities.

— Kathryn Hopkins, Footwear News, 15 Oct. 2026
François Pinault will install a permanent exhibition of 106 works from his collection at Palazzo Grassi, one of his two museums in Venice.

— Devorah Lauter, ARTnews.com, 15 Oct. 2026

Definition of permanent

Browse Nearby Words

unbreachable

unbreakable

unbridled

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“Unbreakable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unbreakable. Accessed 20 Oct. 2026.

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Synonyms of unbreakable

adjective

Example Sentences

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