This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

v. Third-person singular simple present indicative form of blacken.

"The very word blackens before our eyes with necromantic characters -- again we plunge into its gulfs desirous of what we dread -- again, "in pleasure high and turbulent," we climb the cliffs of Cairngorm."

blackened    blackening    blackens    blacking   

colour    color    discolour    discolor   

stain    sully   

asperse    vilify    malign    denigrate    calumniate   

Machen    bracken    slacken   

char    half-burned    tattooing    broken-off