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
彼の底知れない才能には驚かされる。
I am amazed by his bottomless talent.
その洞窟は底知れない暗闇に包まれていた。
The cave was enveloped in unfathomable darkness.