incapable of being denied or disputed: undeniable evidence of arson.
not open to refusal: an undeniable call for help.
unquestioned as to quality, merit, etc.; indisputably good: undeniable artistic talent.
1. incontrovertible, incontestable, unquestionable; obvious, evident, clear, certain, sure.
is always a great word to know.
So is quincunx. Does it mean: