What does territoriality mean?
Territoriality is the behaviour or condition of treating a particular area as something to be claimed and defended. It is commonly used in biology to describe the aggressive, defensive, or territorial displays through which animals organize their living space, and in psychology and social science to describe similar patterns in people and groups. The word can also appear in political and legal discussion, where it refers to the control of territory or to rival claims over it. Territoriality is more specific than simply being possessive: it normally involves a defended area, a boundary, and awareness of potential rivals. Depending on context, it may be scientifically neutral, as in animal behaviour, or politically charged, as in disputes over territorial control. Understanding the term is useful because it shows how space, security, and competition can shape the behaviour of both individuals and societies.
nounTerritoriality is the tendency of an individual, group, or species to defend an area as its own, often through aggression, display, or avoidance of rivals. In political and legal contexts, it can also refer to a state or condition of being organized around territory and territorial claims.
- The behavioural tendency to claim, defend, or react defensively to a particular area, especially in animals or groups.
- The condition or principle of holding or defending territory, especially in political, legal, or social contexts.
"The wolves' territoriality became more pronounced as winter food became scarce."
"The study found that territoriality in the species was strongest during the breeding season."
"The dispute arose from competing territorial claims rather than from a disagreement over policy."
The plural is grammatically standard but relatively uncommon; discussion often uses the singular form for the general phenomenon.
"Different territorialities can produce different forms of social organization."
Territoriality turns space into a boundary, a contest, or sometimes a rule of daily life.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does territoriality come from?
Territoriality was formed in English from territorial, meaning relating to territory, together with the suffix -ity, which creates a noun denoting a condition or quality. Territorial itself comes from territory, which derives through Latin territorium from terra, meaning “land.” Related English forms include extraterritorial, relating to something outside a territory, and terrestrial, relating to land or the Earth.
Related word forms
How territoriality is actually used
In biology and psychology, territoriality usually refers to defensive behaviour directed toward a particular area. In political and social contexts, it can sound more formal and may imply the control or defence of territory, sometimes carrying connotations of exclusion, rivalry, or claims of ownership.
Easily confused with territoriality
Territoriality is a noun meaning the behaviour or condition of defending territory, whereas territorial is primarily an adjective meaning relating to territory or territorial defence.