undownable

U1N1D2O1W4N1A1B3L1E1
UK, US/ʌnˈdaʊn.ə.bəl/

adjective

Undeniably important; which cannot be played down or ignored.

Scrabble 16
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Meanings

adjectiveundownable (not comparable)
  1. not comparablerareUndeniably important; which cannot be played down or ignored.

    There is the undownable legend that[…]

    1930, Charles J. V. Murphy, Parachute
    2 more examples

    If ever there was an example of sheer pluck and undownable determination it is right here[…]

    1923, Interstate Cotton Seed Crushers' Association, Official Monthly Bulletin

    […]the truth which came home with such undownable conviction[…]

    1998, Frank N. Riale, Sinless, Sickless, Deathless Life
  2. not comparablerareInvincible; which cannot be brought down or overcome.

    The SR-71 is claimed to be undownable by virtue of its altitude and speed.

    1998, Andrew Pavacic, “Why are our ASMs smaller than theirs?”, in sci.military.naval (Usenet)
    2 more examples

    […]this paranoic attempt to discredit the credible, and down the undownable.

    1998, Edmond Wollmann, “A Challenge to Lazzwaldo AKA anonym or whatever it is”, in sci.skeptic (Usenet)

    I did not go as far as that either. I only went as far as stating that an American warplane is almost undownable and an American warship is unsinkable.

    1999, kinara, “Taiwan is NOT able to defeat any invasion”, in soc.culture.china (Usenet)

Origin

From un- + downable.

Full word history & related roots →

Translations

Finnish vastustamaton, vastaansanomaton
  • vastustamatonundeniably important; which cannot be played down or ignored
  • vastaansanomatonundeniably important; which cannot be played down or ignored
  • kiistatonundeniably important; which cannot be played down or ignored
  • pitäväundeniably important; which cannot be played down or ignored
  • vastustamatoninvincible; which cannot be brought down or overcome
  • voittamatoninvincible; which cannot be brought down or overcome
  • kumoamatoninvincible; which cannot be brought down or overcome
French primordial, incontournable
  • primordialundeniably important; which cannot be played down or ignored
  • incontournableundeniably important; which cannot be played down or ignored
  • inflexibleinvincible; which cannot be brought down or overcome
  • inamovibleinvincible; which cannot be brought down or overcome
  • irrépressibleinvincible; which cannot be brought down or overcome
  • résilientinvincible; which cannot be brought down or overcome
Russian неуязвимый
  • неуязвимый (neujazvimyj)invincible; which cannot be brought down or overcome
Spanish importantísimo, primordial
  • importantísimoundeniably important; which cannot be played down or ignored
  • primordialundeniably important; which cannot be played down or ignored
  • inflexibleinvincible; which cannot be brought down or overcome
  • adamantinoinvincible; which cannot be brought down or overcome
  • inamovibleinvincible; which cannot be brought down or overcome
  • irreprimibleinvincible; which cannot be brought down or overcome
  • resilienteinvincible; which cannot be brought down or overcome
Cite this entry
APA

undownable. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/undownable

MLA

“undownable.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/undownable. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “undownable,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/undownable.

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