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
These variations are sometimes due to differences in the l116ife conditions, but generally causes for them are unascertainable, or the variations appear capricious.
From Folkways A Study of the Sociological Importance of Usages, Manners, Customs, Mores, and Morals by William Graham Sumner
This unascertainable but large local consumption must be added to the latest export returns in order to arrive at an estimate of present production.
From Notes on Agriculture in Cyprus and Its Products by William Bevan
There was first the Procession of the Maestranza, of unascertainable antiquity.
From Diversions in Sicily by Henry Festing Jones
Its exact amount is unascertainable, for neither Government kept adequate statistics before 1820.
From Great Britain and the American Civil War by Ephraim Douglass Adams
