Shunning

thumb|right|upright=1.1|Protesters advocating boycott of KFC due to [[animal welfare concerns]]

Ostracism (, ostrakismos) was an Athenian democratic procedure in which any citizen could be expelled from the city-state of Athens for ten years. While some instances clearly expressed popular anger at the citizen, ostracism was often used preemptively as a way of neutralizing someone thought to be a threat to the state or a potential tyrant. The word ostracism continues to be used for various forms of shunning.

practice of publicly shaming, rejecting, and ceasing to provide support to people perceived as problematic

form of social disadvantage and relegation to the fringe of society

political science theory about the expression of opinion

lack of contact between an individual and society, which is a risk factor for one of any age

exclusion of an individual from relationships

restriction on accessing an online resource

practice of suddenly breaking off a relationship or friendship with someone

term to describe a suite of behaviors in children, disputed by some members of the scientific community

highest ecclesiastical censure in the Jewish community

refusal to communicate verbally with someone who desires the communication

Richard Gardner theory of one parent encourages their child to distance themselves from the other parent.

Shunning can be the act of social rejection, or emotional distance. In a religious context, shunning is a formal decision by a denomination or a congregation to cease interaction with an individual or a group, and follows a particular set of rules. It differs from, but may be associated with, excommunication. The social rejection occurs when a person or group deliberately avoids association with, and habitually keeps away from an individual or group. This can be a formal decision by a group, or a less formal group action which will spread to all members of the group as a form of solidarity. Sh

thumb|A father disowning his daughter in the 1913 film ''The Jew's Christmas'' Disownment occurs when a parent, sibling, or relative renounces or no longer accepts a child or relative as a family member. It might be due to actions perceived as reprehensible or lead to severe emotional consequences. Different from giving a child up for adoption, disownment is a social and interpersonal act and may take place later in the child's life, which means that the disowned child would have to make arrangements for future care. Among other things, it implies no responsibility for future care, making it s

thumb|A bust of MIT president Francis Amasa Walker separated from its pedestal at the [[MIT Museum]] Deplatforming, also known as no-platforming, is a boycott on an individual or group by removing the platforms used to share their information or ideas. The term is commonly associated with social media.

unspoken group consensus to not mention, discuss, or acknowledge a given subject

Stonewalling is a refusal to communicate or cooperate. Such behaviour occurs in situations such as interpersonal relationships, marriage counselling, diplomatic negotiations, politics and legal cases. Body language may indicate and reinforce this by avoiding contact and engagement with the other party. People use deflection in a conversation in order to render a conversation pointless and insignificant. Tactics in stonewalling include giving sparse, vague responses; refusing to answer questions; and responding to questions with additional questions. Stonewalling can be used as a stalling tacti

non-existance of a relationship between family members

person with social stigma or untouchability, who is rejected or 'cast out', as from home or society, or in some way excluded, looked down upon, or ignored

severance of all ties between a Scientologist and a friend, colleague, or family member deemed to be antagonistic towards Scientology

Petalism (, ), was an ancient Syracusan variant of ancient Athens's ostracism, wherein a citizen was temporarily removed from the city and public life. It was first and exclusively recorded in Diodorus Siculus's .