UNSINKABLE Synonyms: 17 Similar and Opposite Words

unsinkable

adjective

Definition of unsinkable

as in buoyant

Related Words

Relevance

Dissimilar Words

Example Sentences

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

The story is told from the perspective of infant twins with divergent personalities—Rose is unguardedly buoyant, whereas Marigold is watchful and introspective.

— Hannah Goldfield, New Yorker, 19 Oct. 2026
The Dutch semiconductor equipment maker said that some of its customers are expressing interest in placing orders for its critical semiconductor tools for 2029 and 2030 as AI demand remains buoyant.

— Justina Lee, CNBC, 14 Oct. 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

Adjective

Unlike previous Ship splashdowns, though, which have exploded after tipping over into the water, Ship 40 remained largely intact and afloat.

— Josh Dinner, Space.com, 14 Oct. 2026
Such outlets depended heavily on taxpayer funding, which fed into state advertising and government communication campaigns, and have now lost the support that kept them afloat.

— Dominique Soguel, Christian Science Monitor, 13 Oct. 2026

Definition of afloat

Browse Nearby Words

unsightly

unsinkable

unskilled

See all Nearby Words

Cite this Entry

Style

“Unsinkable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unsinkable. Accessed 20 Oct. 2026.

Copy Citation

Synonyms of unsinkable

adjective

Example Sentences

Browse Nearby Words

Cite this Entry

More from Merriam-Webster

Word of the Day

compunction

Popular in Grammar & Usage

Merriam-Webster’s Great Big List of Words You Love to Hate

'Can' vs. 'May'

'Affect' vs. 'Effect'

More Commonly Mispronounced Words

Is it 'nerve-racking' or 'nerve-wracking'?

Popular in Wordplay

The Longest Long Words List

9 Words That Sound Like Insults But Aren't

Did 'orange' the fruit or the color come first?

Even More Bird Names that Sound Like Insults (and Sometimes Are)

12 Lovely and Unusual Words for the Natural World

Popular

Merriam-Webster’s Great Big List of Words You Love to Hate

The Longest Long Words List

9 Words That Sound Like Insults But Aren't

Games & Quizzes