C1 adjective /ʌnˈspiːkəbl/
unspeakable
अवर्णनीय
Meaning
too bad or shocking to be expressed in words
Example
The survivors endured unspeakable horrors during the war.
जीवित बचे हुए लोगों ने युद्ध के दौरान अवर्णनीय आतंक सहा।