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Showing results for unbreakable. Search instead for unbreakableness.
Synonyms

unbreakable

British  
/ ʌnˈbreɪkəbəl /

adjective

  1. not able to be broken

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The next day, Cuban President Miguel Diaz-Canel warned that "any external aggressor will encounter an unbreakable resistance."

From Barron's • Mar. 21, 2026

A US physicist and a Canadian computer scientist have won this year's Turing Award for their invention of a form of seemingly unbreakable encryption.

From BBC • Mar. 18, 2026

On a recent winter night, I walked the stretch of Christmas Tree Lane past lit-up signs that memorialized Altadena’s unbreakable spirit.

From Los Angeles Times • Jan. 7, 2026

Having the world’s reserve currency, however, isn’t the unbreakable shield many assume.

From The Wall Street Journal • Nov. 30, 2025

This is time-consuming, but if done correctly, it is absolutely unbreakable.

From "Fallout: Spies, Superbombs, and the Ultimate Cold War Showdown" by Steve Sheinkin