dark

Having an absolute or (more often) relative lack of light.

The room was too dark for reading.

It was a dark and stormy night, the rain fell in torrents—except at occasional intervals, when it was checked by a violent gust of wind which swept up the streets […]

Having an absolute or (more often) relative lack of light.

Dark signals should be treated as all-way stop signs.

Having an absolute or (more often) relative lack of light.

He was, I think, at this time quite dark, and so had been for some years.

Transmitting, reflecting, or receiving inadequate light to render timely discernment or comprehension

Dull or deeper in hue; not bright or light.

My sister’s hair is darker than mine.

Her skin grew dark with a suntan.

A complete or (more often) partial absence of light.

Dark surrounds us completely.

Here stood he in the dark, his sharp sword out.

Ignorance.

We kept him in the dark.

The lawyer was left in the dark as to why the jury was dismissed.

Nightfall.

It was after dark before we got to playing baseball.

A dark shade or dark passage in a painting, engraving, etc.

The lights may serve for a repose to the darks, and the darks to the lights.

To grow or become dark, darken.

To remain in the dark, lurk, lie hidden or concealed.

To dark is still used in Swaledale (Yorkshire) in the sense of to lie hid, as, 'Te rattens [rats] mun ha bin darkin whel nu [till now]; we hannot heerd tem tis last fortnith'.

To make dark, darken; to obscure.