vi to grow black or dark.
2. blacken ·vt to make or render black.
3. blacken ·vt to make dark; to darken; to cloud.
4. blacken ·vt to defame; to sully, as reputation; to make infamous; as, vice blackens the character.
vi to grow black or dark.
2. blacken ·vt to make or render black.
3. blacken ·vt to make dark; to darken; to cloud.
4. blacken ·vt to defame; to sully, as reputation; to make infamous; as, vice blackens the character.
Webster English vocab. Английский словарь Webster. 2012