unstoppable

adjective

un·​stop·​pa·​ble ˌən-ˈstä-pə-bəl How to pronounce unstoppable (audio)
Synonyms of unstoppablenext
: incapable of being stopped
an unstoppable runaway truck
an unstoppable army
an unstoppable rise to power
unstoppably
ˌən-ˈstä-pə-blē How to pronounce unstoppable (audio)
adverb

Synonyms of unstoppable

Relevance
See All Synonyms & Antonyms in Thesaurus

Examples of unstoppable in a Sentence

At this point in the campaign, he appears to be unstoppable. at this point she's so far ahead in the polls that she's unstoppable
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
For a brief moment during the 2010–11 Arab uprisings, the drive for change seemed unstoppable, but otherwise the arrangement worked. — Marc Lynch, Foreign Affairs, 18 Aug. 2026 The scientist who is compelled by an unstoppable need to know, despite being aware of the danger, is a familiar trope in sci-fi and horror novels and films. — Carline Tromp, The Dial, 18 Aug. 2026 The 2021 Braves had the 12th best winning percentage in the regular season and beat the 106-win unstoppable Dodgers in the NLCS on their way to bringing home a championship. — Ian Miller Outkick, FOXNews.com, 17 Aug. 2026 Nikola Jokic is arguably the game’s greatest offensive force, a peerless passer with an unstoppable repertoire of scoring moves. — Joseph Dycus, Mercury News, 13 Aug. 2026 See All Example Sentences for unstoppable

Word History

First Known Use

1836, in the meaning defined above

Time Traveler
The first known use of unstoppable was in 1836

Browse Nearby Words

unstop
unstoppable
unstopper
See all Nearby Words

Cite this Entry

“Unstoppable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unstoppable. Accessed 25 Aug. 2026.

Copy Citation
Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster

Word of the Day

Listen to the pronunciation of tilde

See Definitions and Examples »

Popular in Grammar & Usage

See More

A Who’s Who Regarding ‘Who’s’ and ‘Whose’

How to Pronounce the Trickiest Menu Items

Is that lie 'bald-faced' or 'bold-faced'?

'A' or 'an'? What about before 'h'? An Indefinite Article Guide

Why is '-ed' sometimes pronounced at the end of a word?
See More

Popular in Wordplay

See More

Words from the 'Odyssey'

The Longest Long Words List

Even More Words That Sound Like Insults But Aren't

The Words of the Week - Aug. 21

16 Glee-ridden Words from Schitt's Creek
See More

Popular

See More

A Who’s Who Regarding ‘Who’s’ and ‘Whose’

Words from the 'Odyssey'

The Longest Long Words List
See More

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
The Missing Letter A daily crossword with a twist
alt-684346df967d5
Add A Letter Quiz Pick the letter that goes in the same spot in fou...
See All