blacklist

n. list containing the names of people who are considered to be untrustworthy (or unhirable, undesirable, guilty of some action, etc.)

v. put on a blacklist (list of people who are out of favor or are to be boycotted)

A blacklist is a list or register of entities who, for one reason or another, are being denied a particular privilege, service, or mobility. As a verb, blacklist can mean to deny someone work in a particular field, or to ostracize them from a certain social circle.
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Noun
1. a list of people who are out of favor
(synonym) black book, shitlist
(hypernym) list, listing
Verb
1. put on a blacklist so as to banish or cause to be boycotted; "many books were blacklisted by the Nazis"
(hypernym) list
(derivation) black book, shitlist

(v. t.)
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.
  

Synonyms and related words:
anathematize, attaint, ban, banish, banishment, blackball, boycott, boycottage, bring home to, censure, condemn, convict, damn, denounce, denunciate, disfellowship, doom, excommunicate, find guilty, ostracism, ostracization, ostracize, outlaw, pass sentence on, penalize, pronounce judgment, pronounce sentence, proscribe, proscription, sentence,