Definition from Wiktionary, the free dictionary
undownable (not comparable)
- (rare) Undeniably important; which cannot be played down or ignored.
1923, Interstate Cotton Seed Crushers' Association, Official Monthly Bulletin:
- If ever there was an example of sheer pluck and undownable determination it is right here […]
1930, Charles J. V. Murphy, Parachute:
- There is the undownable legend that […]
1998, Frank N. Riale, Sinless, Sickless, Deathless Life:
- […] the truth which came home with such undownable conviction […]
- (rare, neologism) Invincible; which cannot be brought down or overcome.
undeniably important; which cannot be played down or ignored