Pitch blackness
01
真っ暗闇, 完全な暗闇
a state of complete and utter darkness, with no light whatsoever
例
The pitch blackness of the cave was so overwhelming that it felt like being swallowed by the dark.
洞窟の真っ暗闇は圧倒的で、暗闇に飲み込まれるような感覚だった。
真っ暗闇, 完全な暗闇