unbreakable
Britishadjective
Explanation
Something that can't be shattered, cracked, or easily destroyed is unbreakable. If your new cellphone is truly unbreakable, it will hold up no matter how many times you drop it on the floor. Use this adjective for anything that's physically durable, like the unbreakable glass used for car windshields or the unbreakable plastic bottles that ketchup comes in. It's impossible, or nearly impossible, to break these things. Things that are figuratively unbreakable can't be destroyed either, like the unbreakable bond between twins or the unbreakable secret code used by spies.
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.
An unbreakable high school cheerleader, she embraced the role of hero, facing pushback from a shadowy government group, serial killers and a twisted family dynamic.
From Los Angeles Times ● Aug. 17, 2026
In 2019, Xi and his wife Peng Liyuan were welcomed to North Korea with great pomp and fanfare to celebrate the two countries' "unbreakable friendship".
From Barron's ● Jun. 5, 2026
The shot of the car hurtling off the cliff is one of cinema’s most enduring images, illustrating unbreakable friendship, victory and freedom.
From Los Angeles Times ● May 13, 2026
If you were a supporter who believed in omens and superstitions then the sight of the unbreakable centre-back getting broken was not good for your karma.
From BBC ● May 9, 2026
“But don’t let that fool you. If the identity of the book you’re using remains secret, it’s an absolutely unbreakable code.”
From "The Bletchley Riddle" by Ruta Sepetys and Steve Sheinkin
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
