unascertainable

• Прилагательное, означающее невозможность выяснить или определить с уверенностью; в современном употреблении считается устаревшим или очень редким.

An adjective meaning not able to be found out or determined with certainty; now considered archaic or very rare in modern usage.

1. Not able to be determinedC2formal

   Impossible to find out, discover, or confirm with certainty.

   Неопределимый

   • The exact cause of the ancient fire remains unascertainable.
   • The author's true identity is unascertainable from the surviving documents.
   • Many details of the event are now unascertainable due to the passage of time.

   Synonymsincognizableindeterminableundeterminableunknowableunverifiable

   Antonymsascertainabledeterminablediscoverableknowable