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.

Related Words

Relevance

Dissimilar Words

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 Go beyond the headlines, the fiery scandals, explosive creative clashes, and heartbreaking tragedies to experience the powerful story of unbreakable sisterhood, defiance, triumph, and enduring love. — Dalton Ross, Entertainment Weekly, 26 June 2026 Drivers of today need unlimited mileage, lightning-fast recharge cycles, drastically reduced chassis bulk, complete dependability, and an unbreakable network that won't ditch them on the side of the road when a trip takes a detour. — Malana Vantyler, USA Today, 24 June 2026 After their friendship soured, Swift and Lively have apparently been trying to mend their previously unbreakable bond. — Allison Degrushe, StyleCaster, 22 June 2026 Yes, the Rocky statue, long a symbol of resilience, heart and the unbreakable bond between Rocky and the people of Philadelphia, has taken a few more hits of late (even in retirement). — CBS News, 18 June 2026 See All Example Sentences for unbreakable

Recent Examples of Synonyms for unbreakable

Adjective

The market responded with persistently rising valuations that reflected durable growth rather than short-term extraction.

— Steve Denning, Forbes.com, 3 Aug. 2026
Still, analysts warned that the coordinated action may prove no more durable than previous interventions unless Japan addresses the structural forces driving yen weakness.

— Lee Ying Shan, CNBC, 3 Aug. 2026

Definition of durable

Adjective

Over more than two centuries the most enduring commercial successes repeatedly centered on creating value for customers, building trust, and expanding what people could do and afford.

— Steve Denning, Forbes.com, 2 Aug. 2026
At an institution where nearly everything else has been muted, the most enduring expression of what the Kennedy Center once was now lives on its smallest stage.

— Janay Kingsberry, The Atlantic, 30 July 2026

Definition of enduring

Adjective

In many ways, Lesnar’s exit, whether permanent or not, paves the way for Femi to assume Lesnar’s old role as WWE’s most unstoppable force.

— Blake Oestriecher, Forbes.com, 2 Aug. 2026
The company said the tunnel would massively reduce the possibility of an oil spill, but environmentalists said building the tunnel under the bottom of the Straits of Mackinac would cause noise, vibrations and permanent environmental damage.

— Jeffrey Collins, Chicago Tribune, 1 Aug. 2026

Definition of permanent

Browse Nearby Words

unbreachable

unbreakable

unbridled

See all Nearby Words

Cite this Entry

Style

“Unbreakable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unbreakable. Accessed 5 Aug. 2026.

Copy Citation

Synonyms of unbreakable

adjective

Example Sentences

Browse Nearby Words

Cite this Entry

More from Merriam-Webster on unbreakable

More from Merriam-Webster

Word of the Day

colloquial

Popular in Grammar & Usage

7 Pairs of Commonly Confused Words

Merriam-Webster’s Great Big List of Words You Love to Hate

Is it 'nerve-racking' or 'nerve-wracking'?

'Sneaked' or 'Snuck': Which is correct?

Why does English have so many silent letters?

Popular in Wordplay

The Longest Long Words List

It's a Scorcher! Words for the Summer Heat

14 Phobias You Probably Haven't Heard Of

How long is a jiffy?

Even More Bird Names that Sound Like Insults (and Sometimes Are)

Popular

7 Pairs of Commonly Confused Words

The Longest Long Words List

It's a Scorcher! Words for the Summer Heat

Games & Quizzes