Meaning of Unfathomable
Bangla: অতল, অগাধ, অগম, অথই
Unknown / অজানা / अज्ञात
not able to be fathomed, or completely understood; incomprehensible: heroism in the face of unfathomable conflict.
not able to be measured with a sounding line, or fathomed: unfathomable depths of the ocean.
incapable of being fathomed; immeasurable