Nightfall and Pitch-dark

Nightfall noun - The time from when the sun begins to set to the onset of total darkness.

Pitch-dark and nightfall are semantically related. In some cases you can replace phrase "Pitch-dark" with "Nightfall", this terms are similar.

Nearby Words: night, nightly

Pitch-dark adjective - Being without light or without much light.

Nightfall and pitch-dark are semantically related. Sometimes you can use "Nightfall" instead a noun phrase "Pitch-dark".