unsinkable

U1N1S1I1N1K5A1B3L1E1

adjective

That cannot be sunk.

“unsinkable optimism”

Similar
Opposite
UncommonScrabble 16

Meanings

adjectiveunsinkable (comparative more unsinkable, superlative most unsinkable)

comparative more unsinkable · superlative most unsinkable

  1. That cannot be sunk.

    It was the kind of place with a neon martini glass for a name and an unsinkable turd floating in the toilet.

    2007, Eric Puchner, “Children of God”, in Music Through the Floor: Stories, page 13
    4 more examples

    Any true Grecophile will understand when I say that the unsinkable condom and the smell of shit which precede the moment of illumination make it more exciting when it happens.

    1981, Patrick White, Flaws in the Glass: A Self-Portrait

    That was the connection, the hook, the key, that was the thought that had been bobbing around like an unsinkable turd in the toilet of my subconscious all night.

    2008, Adrian Hyland, Moonlight Downs

    The Sydney water team are hoping that by showing families the 'unflushable' and 'unsinkable' items, that the environment will be a lot better off.

    2021 December 23, ElizaMcPhee, “Kids' toys, jewellery and a BRICK: The bizarre things Sydneysiders tried to flush down their toilet - wih flushed wet wipes costing $8MILLION a year”, in Daily Mail Australia

    The RMS Titanic, a British passenger liner which had been marketed as “unsinkable”, sank on its maiden voyage in April 1912, on a route from Britain to the US after being holed by an iceberg, claiming the lives of 1,514 of the 2,224 passengers and crew.

    2023 June 19, Edward Helmore, Leyland Cecco, “Search under way for tourist submarine missing on dive to wreck of Titanic”, in The Guardian, →ISSN

    Synonyms: sinkproof

  2. figurativelyThat cannot be overcome or defeated.

    unsinkable optimism

noununsinkable (plural unsinkables)

plural unsinkables

  1. A ship that was designed to be unsinkable.

    German unsinkables with their penetrating shell and safety magazines? That there was this acute material disparity between this type of ship of both nations there can be no doubt.

    1930, Shane Leslie, Augustine Agar, Jutland: A Fragment of Epic, page x
    2 more examples

    As the construction and preparation of the unsinkables would require six weeks or two months , I thought it best to make report of my plan to the admiral before the departure from Key West .

    1898 December, Richard Pearson Hobson, “The Sinking of the "Merrimac"”, in Josiah Gilbert Holland, Richard Watson Gilder, editors, The Century Illustrated Monthly Magazine, volume 57, number 2, page 266

    But no large ship has vanished without trace since the whaleback Clifton, another of the “unsinkables” and skippered by Emmet Gallagher of Beaver Island, sailed through a crack in Lake Huron on September 22, 1924, taking all hands — a total of 28— down with her.

    1989, William Ratigan, Great Lakes Shipwrecks & Survivals

Synonyms & antonyms

adjectiveThat cannot be sunk.

Similar

More synonyms by meaning

adjectiveincapable of being sunk

Opposite

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Proto-Indo-European*né
  2. Proto-Indo-European*n̥-
  3. Proto-Germanic*un-
  4. Proto-West Germanic*un-
  5. Old Englishun-
  6. Middle Englishun-
  7. Englishun-
  8. Englishsink
  9. Englishunsinkable

From un- + sink + -able.

Full word history & related roots →

Translations

Finnish uppoamaton
  • uppoamatonof a ship: that cannot be sunk
French insubmersible
  • insubmersibleof a ship: that cannot be sunk
German unsinkbar
  • unsinkbarof a ship: that cannot be sunk
Greek αβύθιστος, ακαταβύθιστος
  • αβύθιστος (avýthistos)of a ship: that cannot be sunk
  • ακαταβύθιστος (akatavýthistos)of a ship: that cannot be sunk
Hungarian elsüllyeszthetetlen
  • elsüllyeszthetetlenof a ship: that cannot be sunk
Irish dobháite
  • dobháiteof a ship: that cannot be sunk
Japanese 不沈
  • 不沈 (fuchin)of a ship: that cannot be sunk
Latin immersābilis
  • immersābilisof a ship: that cannot be sunk
Polish niezatapialny
  • niezatapialnyof a ship: that cannot be sunk
Russian непотопля́емый
  • непотопля́емый (nepotopljájemyj)of a ship: that cannot be sunk
Swedish osänkbar
  • osänkbarof a ship: that cannot be sunk
Ukrainian непотоплюваний
  • непотоплюваний (nepotopljuvanyj)of a ship: that cannot be sunk
Cite this entry
APA

unsinkable. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/unsinkable

MLA

“unsinkable.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/unsinkable. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “unsinkable,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/unsinkable.

Source: unsinkable on Wiktionary, CC BY-SA 4.0.