UNSINKABLE Synonyms: 17 Similar and Opposite Words

unsinkable

adjective

Definition of unsinkable

as in buoyant

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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.

Recent Examples of unsinkable Cox plays the unsinkable Molly Brown, memorably portrayed by Kathy Bates in the movie. — Chris Murphy, Vanity Fair, 10 Apr. 2026 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 See All Example Sentences for unsinkable

Recent Examples of Synonyms for unsinkable

Adjective

However, developing specialized buoyant materials, underwater conduits, and anti-corrosive gear come with a premium price tag.

— Aman Tripathi, Interesting Engineering, 21 Aug. 2026
The buoyant 808s ping-pong back and forth, sounding like an aquatic marching band ushering in a deep-sea championship team.

— Jeff Ihaza, Rolling Stone, 19 Aug. 2026

Definition of buoyant

Adjective

Companies with a smaller market value generally tend to have more floating rate debt than larger businesses.

— Lisa Kailai Han, CNBC, 11 Sep. 2025
Social media posts and years of reviewing cookie-cutter luxury hotels had conditioned me to equate floating breakfasts, monogrammed accessories, butler service, and aromatherapy menus as markers of a dreamy luxury vacation.

— Katherine Alex Beaven, Travel + Leisure, 22 Oct. 2024

Definition of floating

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unsightly

unsinkable

unskilled

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“Unsinkable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unsinkable. Accessed 25 Aug. 2026.

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Synonyms of unsinkable

adjective

Example Sentences

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