blacken out

1. 1.

   darken completely

   “The dining room blackened out”

   Synonymsblack out

   Broaderdarken

Questions about blacken out

What does blacken out mean?

blacken out means "darken completely".

What is another word for blacken out?

Close synonyms include black out. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is blacken out a common word?

blacken out is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.