Dependency, dependence, dependent or depend may refer to:

• Dependency (computer science) or coupling, a state in which one object uses a function of another object
• Data dependency, which describes a dependence relation between statements in a program
• Dependence analysis, in compiler theory
• Dependency (UML), a relationship between one element in the Unified Modeling Language
• Dependency relation, a type of binary relation in mathematics and computer science.
• Functional dependency, a relationship between database attributes allowing normalization.
• Dependent type, in computer science and logic, a type that depends on a value
• Hidden dependency, a relation in which a change in many areas of a program produces unexpected side-effects
• Library dependency, a relationship described in and managed by a software dependency manager tool to mitigate dependency hell

• Dependant (British English) (Dependent - American English), a person who depends on another as a primary source of income
• Dependency ratio, in economics, the ratio of the economically dependent part of the economy to the productive part
• Dependency theory, an economic worldview that posits that resources flow from poor states to wealthy states

• Dependent and independent verb forms, distinct verb forms in Goidelic languages used with or without a preceding particle
• Dependency grammar is based on the dependency relation between the lexemes of a sentence
• Dependent clause

• Dependency relation, a type of binary relation in mathematics and computer science.
• Dependent and independent variables, in mathematics, the variable that depends on the independent variable
• Dependence (probability theory), when the occurrence of one event affects the likelihood of another
  • Tail dependence, from probability theory
  • Serial dependence, in statistics
  • Correlation and dependence
  • Mean dependence

• Codependence, a pattern of detrimental behavioral interactions within a dysfunctional relationship
• Dependency need, the real need of the organism, or something that individuals cannot provide for themselves
• Dependent personality disorder, a personality disorder characterized by a pervasive psychological dependence on other people
• Substance dependence, an adaptive state associated with a withdrawal syndrome upon cessation of repeated exposure to a stimulus (e.g., drug intake)
  • Physical dependence, dependence that involves persistent physical–somatic withdrawal symptoms (e.g., fatigue and delirium tremens)
  • Psychological dependence, dependence that involves emotional–motivational withdrawal symptoms (e.g., dysphoria and anhedonia)
  • Alcohol dependence
  • Amphetamine dependence
  • Barbiturate dependence
  • Benzodiazepine dependence
  • Caffeine dependence
  • Cannabis dependence
  • Cocaine dependence
  • Opioid dependence
  • Tanning dependence

• Dependent territory, a classification of territory, especially a region that is not a sovereign state but a possession of same
  • Crown Dependencies, three specific dependencies of the United Kingdom: the Bailiwick of Guernsey, the Bailiwick of Jersey, and the Isle of Man
  • Dependencies of Norway
  • Ross Dependency, New Zealand Antarctic claim

• Dependent (record label), a German independent record label that focuses on aggrotech, electro-industrial and futurepop music
• Dependent Music, an independent Canadian record label, owned and operated by the artists that were a part of the collective
• Dependency (band), an American Christian hardcore band

• Dependent (origination), in Buddhism, the idea that the existence of everything is conditional and dependent on a cause, and that nothing happens fortuitously or by chance

• Depend (undergarment), a brand of absorbent, disposable underwear for adults
• Dependency (project management), a link amongst a project's terminal elements
• Dependency (religion), the relation of a monastic community with a newer community

This disambiguation page lists articles associated with the title Dependency.
If an internal link incorrectly led you here, you may wish to change the link to point directly to the intended article.