Meaning of “dark” - Learner’s Dictionary

dark

adjective uk us /dɑːk/
NO LIGHT

A2 with no light or not much light:

It's a bit dark in here.
It doesn't get dark until 9 o'clock in the evening.
NOT PALE

A1 nearer to black than white in colour:

dark blue/green
dark clouds
He has dark hair and blue eyes.
PERSON

having black or brown hair or brown skin:

a short, dark woman with glasses
BAD

(Definition of “dark adjective” from the Cambridge Learner’s Dictionary © Cambridge University Press)