unsinkable

adjective

un·​sink·​able ˌən-ˈsiŋ-kə-bəl How to pronounce unsinkable (audio)
Synonyms of unsinkablenext
: incapable of being sunk
an unsinkable ship
… the right image, the right friends, and writerly flair can make a famous journalist's career all but unsinkableJane Manners

Examples of unsinkable in a Sentence

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.
Because the islands are unsinkable, Iranian military positions on them would have to be eliminated to ensure the safe passage of US warships – potentially those carrying US Marine Expeditionary Units (MEUs) – into the heart of the Persian Gulf, if a landing were to be attempted on Kharg Island. Brad Lendon, CNN Money, 28 Mar. 2026 The study, published on January 27, 2026, in Advanced Functional Materials, builds on Guo’s earlier work designing unsinkable metals. Deni Ellis Béchard, Scientific American, 3 Feb. 2026 More than 113 years after the Titanic sank in April 1912, the idea of an unsinkable ship still captures engineers’ imagination. Sujita Sinha, Interesting Engineering, 28 Jan. 2026 The Rams skipped across the country as a historic 10½-point favorite — biggest postseason spread in modern history — yet trudged home requiring a last-second touchdown pass from the unsinkable Matthew Stafford to a leaping Colby Parkinson. Assistant Sports Editor, Los Angeles Times, 12 Jan. 2026 See All Example Sentences for unsinkable

Word History

First Known Use

1663, in the meaning defined above

Time Traveler
The first known use of unsinkable was in 1663

Browse Nearby Words

Cite this Entry

“Unsinkable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unsinkable. Accessed 1 Apr. 2026.

More from Merriam-Webster on unsinkable

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