底そこ知しれない

expression, i-adjective

bottomless; unfathomable; immeasurable; inexhaustible

Describes something so deep, vast, or intense that its limits cannot be perceived. Often used for abstract qualities like potential, energy, or darkness.

See also: 底知れぬ

• 彼かれの底そこ知しれない才さい能のうには驚おどろかされる。

  I am amazed by his bottomless talent.

• その洞どう窟くつは底そこ知しれない暗くら闇やみに包つつまれていた。

  The cave was enveloped in unfathomable darkness.