(as) black as a raven's feather

(as) black as a raven's feather

1. dated Completely black; totally without light or color. The basement gives me the creeps, it's as black as a raven's feather down there!
2. dated Of a thoroughly evil, mean-spirited, or ungenerous mindset or disposition. She narrowed her eyes, and I could tell her thoughts had turned as black as a raven's feather.
See also: black, feather
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