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. Political context The term blacklisting is generally used in a pejorative context, as it implies that someone has been prevented from having legitimate access to something due to the whims or judgments of another. For example, a person being served with a restraining order for having threatened another person would not be considered a case of blacklisting. However, somebody who is fired for exposing poor working conditions in a particular company, and is subsequently blocked from finding work in that industry, may be considered to have been blacklisted. Blacklisting can and has been accomplished informally and by consensus of authority figures, and does not necessarily requ