unfathomable in Russian
unfathomable in Russian
бездо́нный
Especially of depth: physically incapable of being measured; immeasurable.
измери́мый
Especially of depth: physically incapable of being measured; immeasurable.
неизмери́мый
Especially of depth: physically incapable of being measured; immeasurable.
непостижи́мый
(figurative) Impossible to grasp the extent of, or to fully know or understand.