Aggression

Violence is characterized as the use of physical force by humans to cause harm to other living beings, such as pain, injury, disablement, death, damage and destruction. The World Health Organization (WHO) defines violence as "the intentional use of physical force or power, threatened or actual, against oneself, another person, or against a group or community, which either results in or has a high likelihood of resulting in injury, death, psychological harm, maldevelopment, or deprivation"; it recognizes the need to include violence not resulting in injury or death.

thumb|344x344px|A man glowering, expressing hatred or jealousy.

thumb|A poster defining types of bullying actions. thumb|Share of children who report being bullied (2015) Bullying is the use of force, coercion, hurtful teasing, comments, or threats, in order to abuse, aggressively dominate, or intimidate one or more others. The behavior is often repeated and habitual. One essential prerequisite is the perception (by the bully or by others) that an imbalance of physical or social power exists or is currently present. This perceived presence of physical or social imbalance is what distinguishes the behavior from being interpreted or perceived as bullying fro

upright|thumb|Depiction of French President Armand Fallieres's assault by a waiter named Jean Mattis thumb|upright|Many mammals, such as the tiger, bare their teeth as a sign of aggression—a form of [[aposematism. ]]

military information operations aimed at promoting behaviour to assist military objectives

crime, motivated by prejudice and usually violent

Mobbing, as a sociological term, refers either to bullying in any context, or specifically to that within the workplace, especially when perpetrated by a group rather than an individual.

thumb|right |220 px |An old poster depicting cruelty, including selling slaves in Algiers, execution, burning, and other cruelties. Cruelty is the intentional infliction of suffering or the inaction towards another's suffering when a clear remedy is readily available. Sadism can also be related to this form of action or concept.

physiological reaction to a perceived threat or harmful event

thumb|A U.S. government video about stalking

Hostility is seen as a form of emotionally charged aggressive behavior. In everyday speech, it is more commonly used as a synonym for anger and aggression.

human disorder involving hostility and defiance

indirect expression of hostility

Microaggression is a term used for commonplace verbal, behavioral or environmental slight, whether intentional or unintentional, that communicates hostile, derogatory, or negative attitudes toward members of marginalized groups. The term was coined by Harvard University psychiatrist Chester M. Pierce in 1970 to describe insults and dismissals which he regularly witnessed non-black Americans inflicting on African Americans. By the early 21st century, use of the term was applied to the casual disparagement of any socially marginalized group, including LGBT, poor, and disabled people. Psychologis

threat to kill

thumb|Child having a tantrum thumb|"Christina Rossetti in a Tantrum" by her brother, [[Dante Gabriel Rossetti]] A tantrum, conniption, angry outburst, temper tantrum, lash out, meltdown, fit of anger, or hissy fit is an emotional outburst, usually associated with those in emotional distress. It is typically characterized by stubbornness, crying, screaming, violence, defiance, angry ranting, a resistance to attempts at pacification, and in some cases, hitting or bullying and other physically violent behavior. Physical control may be lost; the person may be unable to remain still; and even if th

deliberate and sustained process that destroys the credibility and reputation of a person, institution, organization, social group, or nation

thumb|upright=1.1| (), drypoint by Albrecht Dürer 1512 depicting [[Jesus Christ]] Scapegoating, sometimes called playing the blame game, is the practice of singling out a person or group for unmerited blame and consequent negative treatment. Scapegoating may be conducted by individuals against individuals (e.g., "he did it, not me!"), individuals against groups (e.g., "I couldn't see anything because of all the tall people"), groups against individuals (e.g., "He was the reason our team didn't win"), and groups against groups.

human behaviour trait

thumb|right|Christian revival|Revivalist preacher Sam Jones coined the slogan "Quit Your Meanness" which was put to music by [[E. O. Excell.]] Meanness is a personal quality whose classical form, discussed by many from Aristotle to Thomas Aquinas, characterizes it as a vice of "lowness", but whose modern form deals more with cruelty.

type of aggression

Takanakuy (Quechua for "to hit each other") is an annual established practice of fighting fellow community members held on 25 December, by the inhabitants of Chumbivilcas Province, near Cuzco, in Peru. The practice started in Santo Tomás, the capital of Chumbivilcas, and subsequently spread to other villages and cities, the prominent ones being Cuzco and Lima. The festival consists of dancing and of individuals fighting each other to settle old conflicts.

protein-coding gene in the species Homo sapiens

hypothesis

theory that war and interpersonal aggression was the driving force behind human evolution

physical play in ice hockey

color

harsh, gratuitous, prejudicial attack on a person, verbally or physically, or on a topic

proposed disorder of a pathological reaction to a negative life event, causing embitterment, anger, fury, hatred and revenge fantasies

right|frame|A facial expression which often accompanies a snarl thumb|right|The figure on the far right has a facial expression commonly associated with snarling.

anxiety among males who feel they do not meet cultural standards of masculinity

ritual fight during a sporting match, especially ice hockey and baseball

form of harassment

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