Undownable
//ʌnˈdaʊn.ə.bəl//
"Undownable" in a Sentence (6 examples)
If ever there was an example of sheer pluck and undownable determination it is right here[…]
There is the undownable legend that[…]
[…]the truth which came home with such undownable conviction[…]
The SR-71 is claimed to be undownable by virtue of its altitude and speed.
[…]this paranoic attempt to discredit the credible, and down the undownable.
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.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.