unbreakable

adjective un·break·able \ ˌən-ˈbrā-kə-bəl \

Updated on: 13 May 2018

Definition of unbreakable

: not able to be broken

unbreakable plastic

the unbreakable bond between a mother and her child

See unbreakable defined for English-language learners

Recent Examples of unbreakable from the Web

Regulators have to certify that autonomous vehicles are safe, autonomy demands unbreakable cybersecurity, and the upfront costs are scary.

— joe pappalardo, Popular Mechanics, "Dallas Flyers Club: What Uber's Flying Taxi Future Feels Like," 2 May 2018
The Baseball Hall of Fame shortstop also played in 2,632 consecutive games, setting a record that might prove unbreakable.

— jonas shaffer, baltimoresun.com, "Introducing the Mount Rushmore of Maryland sports," 20 Apr. 2018
From pregnancy and nuns to heartache and death, there isn't a single dramatic sisterhood stone unturned in this breathtaking literary ode to life, change, and the unbreakable bonds of family.

— Redbook, "20 Books You Need to Take to the Beach This Summer," 17 May 2017
The writer Petronius recounts the tale of a craftsman presenting Emperor Tiberius with a piece of allegedly unbreakable glass.

— doug main, The Atlantic, "Humankind’s Most Important Material," 7 Apr. 2018
More: Michigan's Jon Teske leans on unbreakable bond with grandfather, finds success Montana, meanwhile, is ready to play spoiler to what Michigan hopes will be a magical month.

— nick baumgardner, Detroit Free Press, "Michigan not overlooking Montana in NCAA tournament opener," 14 Mar. 2018
Thoroughbreds is definitely Heathers-adjacent, but what the 1988 teen murder movie failed to tackle was the unbreakable bond of bad girls, and that’s where Thoroughbreds dazzles.

— jill gutowitz, Glamour, "'Thoroughbreds' and the Enduring Allure of the Bad Friend," 8 Mar. 2018
The company also guarantees that the LED bulb is unbreakable and will never need to be replaced.

— rebecca straus, Sunset, "10 Best Camping Lights, Lamps, & Lanterns," 22 Jan. 2018
The message here is that bonds are not always unbreakable.

— tim sullivan, The Courier-Journal, "Chris Mack made the right choice to jump on a job like Louisville basketball | Tim Sullivan," 27 Mar. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'unbreakable.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of unbreakable

circa 1505

in the meaning defined above

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UNBREAKABLE Defined for Kids

unbreakable

adjective un·break·able \ ˌən-ˈbrā-kə-bəl \

Definition of unbreakable for Students

: not easily broken

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See words that rhyme with unbreakable Spanish Central: Translation of unbreakable Nglish: Translation of unbreakable for Spanish speakers

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