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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.

See Examples For:

NBC’s “Heroes” made Hayden Panettiere a household name by making us believe she was unstoppable.

From Salon Aug. 19, 2026

Black holes are often pictured as unstoppable cosmic gluttons.

From Science Daily Jul. 31, 2026

He scored in every match, including the semi-final, when France were beaten 5-2 by the unstoppable Brazil side featuring 17-year-old Pele.

From BBC Jul. 13, 2026

Argentina’s title defense has turned into the Lionel Messi show, while France and Kylian Mbappé look unstoppable.

From The Wall Street Journal Jul. 10, 2026

As sure as Miss Trotter counted on Vonetta to be showy, crowy, and unstoppable, Vonetta couldn’t wait until Ma Charles said, “Well?”

From "Gone Crazy in Alabama" by Rita Williams-Garcia

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