indubitable

It is the old, indubitable water mark of the Shoshones.

It was the first indubitable sign of intelligent life in action they had yet seen on the planet.

On the other hand, that their numbers are incredibly abundant is indubitable.

The fact is indubitable that the Arabs never looked upon their gods in this manner.

Nevertheless, I was able to see that the manuscript offered every evidence of indubitable authenticity.

A belief is indubitable if and only if no one could ever have a reason to doubt it.

That Frank Churchill thought less of her than he had done, was indubitable.

Now, you must agree that these are indubitable symptoms of insanity."

"Indubitable" is a strong word, but no doubt it was justified, if the livers were really turned that way.

He soon exhibited what most people considered indubitable tokens of insanity.

There are no proofs as to why such things should be; but that they are, is indubitable.

From these indubitable basic beliefs, Descartes then attempts to derive further knowledge.

Equally, we could ask how a fallible belief could be indubitable.

The audience were too much interested in the question not to pronounce the Prince's assumed right altogether indubitable.

It was a perfectly calm and reasonable voice, with overtones of concerned but indubitable authority.

That is one indubitable lesson we can draw from the 60's; it applies as well to this idiosyncratic book.

Sir George was giving indubitable proof of his mental condition by being unable to eat any breakfast.

They were dreams come true, hard and indubitable realizations of fairy gossamers.

That it's going to be expensive is indubitable."

The first of our vague but indubitable data is that there is knowledge of the past.

It is easy to take the current level of indubitable reliability, thorough engineering and plentiful equipment for granted.

This charge was doubtful, while the man's practical piety was indubitable.

Descartes desired to find indubitable ground on which all the sciences could be placed and progressively built.

"Yes," I replied, "my right to that appellation is indubitable.

In similar vein others (Descartes, perhaps) have held that they are or could be 'indubitable'.