We found 7 dictionaries that define the word blacken out:

General (6 matching dictionaries)

1. blacken out: Vocabulary.com
2. blacken out: Dictionary.com
3. blacken out: Rhymezone
4. blacken out: FreeDictionary.org
5. blacken out: Mnemonic Dictionary
6. blacken out: TheFreeDictionary.com

Slang (1 matching dictionary)

7. blacken out: Urban Dictionary

Definitions from WordNet (blacken out) ▸ verb:  darken completely ▸ Words similar to blacken out ▸ Usage examples for blacken out ▸ Idioms related to blacken out ▸ Wikipedia articles (New!) ▸ Words that often appear near blacken out ▸ Rhymes of blacken out ▸ Invented words related to blacken out