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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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 unbreakable Today, the mother-daughter duo share an unbreakable bond, often gushing about each other on social media. — Lauren Dana Ellman, InStyle, 16 Sep. 2026 Working with Nic was like driving a Lamborghini that could shift from unbreakable speed to idling like a purring lioness. — Griffin Dunne, Vanity Fair, 11 Sep. 2026 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 See All Example Sentences for unbreakable

Recent Examples of Synonyms for unbreakable

Adjective

Materials Most igloo dog houses are constructed from a hard structural foam that is durable and weatherproof, providing excellent insulation and keeping harsh winds out.

— BestReviews, Chicago Tribune, 2 Nov. 2026
On the economic data side, the government releases its latest job openings and labor Turnover survey (JOLTS), as well as factory orders and durable goods orders.

— Jeff Marks,Kevin Stankiewicz, CNBC, 2 Nov. 2026

Definition of durable

Adjective

That is the unshakeable and enduring power of the female voice found in the 2026 midterms.

— Arkansas Online, Arkansas Online, 9 Nov. 2026
No Dumb Questions is a weekly feature in which Scientific American staff try to answer some of life’s greatest, weirdest and most enduring mysteries.

— Adam Kovac, Scientific American, 7 Nov. 2026

Definition of enduring

Adjective

The ordinance provides that, upon a vacancy of the superintendent position, the commission has 120 days to provide the mayor with three finalists to become the next permanent leader of CPD.

— Sam Charles, Chicago Tribune, 13 Nov. 2026
On the counter are rows of pills in cups, inhalers, and, next to them, Old Spice deodorant, each with the name of the older children in permanent marker.

— Rebecca Jennings, Vulture, 12 Nov. 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 15 Nov. 2026.

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Synonyms of unbreakable

adjective

Example Sentences

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