3. Of or pertaining to the days in the calendar not marked with red letters as saints' days. Hence: Unlucky; inauspicious.
BLACKLIST
Black"list`, v. t.
Defn: To put in a black list as deserving of suspicion, censure, or punishment; esp. to put in a list of persons stigmatized as insolvent or untrustworthy, — as tradesmen and employers do for mutual protection; as, to blacklist a workman who has been discharged. See Black list, under Black, a. If you blacklist us, we will boycott you. John Swinton.
BLACKLY
Black"ly, adv.
Defn: In a black manner; darkly, in color; gloomily; threateningly; atrociously. "Deeds so blackly grim and horrid." Feltham.
BLACKMAIL
Black"mail`, n. Etym: [Black + mail a piece of money.]
1. A certain rate of money, corn, cattle, or other thing, anciently paid, in the north of England and south of Scotland, to certain men who were allied to robbers, or moss troopers, to be by them protected from pillage. Sir W. Scott.
2. Payment of money exacted by means of intimidation; also, extortion of money from a person by threats of public accusation, exposure, or censure.
3. (Eng. Law)
Defn: Black rent, or rent paid in corn, flesh, or the lowest coin, a opposed to "white rent", which paid in silver. To levy blackmail, to extort money by threats, as of injury to one's reputation.