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 The show chronicles the unbreakable but complex bond between Vance, a Las Vegas comedy legend in decline played by Jean Smart, and her socially conscious right-hand writer Ava Daniels (Hannah Einbinder). — Los Angeles Times, 8 July 2026 Shop Oxo Good Grips cookware, portable containers from Bentgo, and kitchen hacks like fruit storage containers, can covers, unbreakable bowls, and more. — Caley Sturgill, Southern Living, 2 July 2026 Wingate weaves this historical horror with a modern-day mystery, illustrating the lasting trauma of children stolen for profit and the unbreakable bond of blood. — Literary Hub, 1 July 2026 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 See All Example Sentences for unbreakable

Recent Examples of Synonyms for unbreakable

Adjective

Washington and Tehran agreed in June to a 60-day ceasefire, allowing time to negotiate a more durable peace deal while active fighting subsided and the Strait of Hormuz could be reopened.

— Hanna Ziady, CNN Money, 18 Aug. 2026
The fluffy cushions feel like sitting on a cloud, and reviewers have mentioned how easy this durable chair is to set up.

— Caroline Hughes, Travel + Leisure, 17 Aug. 2026

Definition of durable

Adjective

Gratitude is the most powerful and enduring sentiment of all — not because everything’s fine.

— Robert B. Reich, Hartford Courant, 13 Aug. 2026
Now, after a yearlong delay, an expedition that some believe represents the best chance at solving one of the most enduring mysteries of the 20th century is set to take place this fall.

— Christopher Cann, USA Today, 12 Aug. 2026

Definition of enduring

Adjective

Tubes from hospital equipment were still attached to his face, gunshot wounds on his right side were still gaping, and tattoos which included a gun and a bullet casing were still embedded in his skin, a permanent memorial to the tools of his demise.

— Andy Rose, CNN Money, 22 Aug. 2026
Potential adversaries must account for the possibility that a carrier strike group can rapidly generate significant combat power without requiring the United States to build permanent military infrastructure at the location.

— Prabhat Ranjan Mishra, Interesting Engineering, 22 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 24 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

expeditious

Popular in Grammar & Usage

A Who’s Who Regarding ‘Who’s’ and ‘Whose’

How to Pronounce the Trickiest Menu Items

Is that lie 'bald-faced' or 'bold-faced'?

'A' or 'an'? What about before 'h'? An Indefinite Article Guide

Why is '-ed' sometimes pronounced at the end of a word?

Popular in Wordplay

Words from the 'Odyssey'

The Longest Long Words List

Even More Words That Sound Like Insults But Aren't

The Words of the Week - Aug. 21

16 Glee-ridden Words from Schitt's Creek

Popular

A Who’s Who Regarding ‘Who’s’ and ‘Whose’

Words from the 'Odyssey'

The Longest Long Words List

Games & Quizzes