真っ暗な

pitch-dark

→ 真っ暗だ
phrase Rare #35,733
pitch-dark Describes something as completely dark; 真っ暗 is the noun-like form and な connects it to a noun.
JA: 真っ暗な部屋で本を読んだ。
EN: I read a book in a pitch-dark room.

真っ暗な部屋に、青と緑と白に輝くものがひとつだけ浮かんでいる。

In the pitch-dark room, a single object glows blue, green, and white, suspended in the air.

これは真っ暗なだけ

It’s just completely dark.

— 別れる決心 (2022)

真っ暗な海の中で?

In the pitch-black ocean?

— GHOST IN THE SHELL (1995)

真っ暗な夜だった。

It was a pitch-black night.

廊下は真っ暗なの

The hallway is pitch-dark.

— レオン (1994)