ascertain
verb (used with object)
to find out definitely; learn with certainty or assurance; determine.
unascertainable
-
a word derived from
ascertain.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
In the letter he proved that the Past is as unascertainable as the Future.
From Time Magazine Archive
There was a cause, of course, but it would remain unascertainable unless some clue offered itself by chance.
From The Wave An Egyptian Aftermath by Algernon Blackwood
In days of yore battles were often fought in or near what seem to us mere villages; little places whose very names are uncertain and exact site unascertainable were the centres of strife.
From Round About a Great Estate by Richard Jefferies
In the light of these facts, what meaning can be attached to the statement that proportional systems only secure proportional representation in a limited and generally unascertainable degree?
From Proportional Representation A Study in Methods of Election by John H. Humphreys
There was first the Procession of the Maestranza, of unascertainable antiquity.
From Diversions in Sicily by Henry Festing Jones
