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Synonyms

unstoppable

American  
[uhn-stop-uh-buhl] / ʌnˈstɒp ə bəl /

adjective

  1. that cannot be stopped or surpassed; unbeatable.

    an unstoppable ball team.


unstoppable British  
/ ʌnˈstɒpəbəl /

adjective

  1. not capable of being stopped; extremely forceful

"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

Other Word Forms

Etymology

Origin of unstoppable

First recorded in 1830–40; un- 1 + stoppable

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.

It’s a combination of mastery and an unstoppable spirit of adventure that I think make him unique.

From Los Angeles Times • May 25, 2026

“All Her Fault” “Not the strongest field this year, though Richard Gadd’s ‘Half Man’ and Ryan Murphy’s ‘Love Story’ seem unstoppable.

From Los Angeles Times • May 19, 2026

True to last year's script it was the women in blue who struck first, their driving maul proving unstoppable, with Sgorbini claiming the bonus-point.

From BBC • May 17, 2026

The seductive power of the screens, beckoning families from their dining rooms, was unstoppable.

From The Wall Street Journal • May 12, 2026

There is a split second of unstoppable momentum.

From "The Sea in Winter" by Christine Day

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