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Definition of dependency

dependency

/dɪˈpɛndənsi/
de · pen · den · cy

Adverb:dependently
•
Plural:dependencies
•
Adjective:dependent
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dependency Lexical Profile

dependency Game Scores & Validity

• noun

1

The state of relying on or being controlled by someone or something else.

Example

"The country is investing in solar and wind power to reduce its dependency on imported fossil fuels."


2

An external software library, module, or prerequisite task that a computer program or project requires in order to function or proceed.

Example

"Before compiling the application, the developer had to update several outdated software dependencies."


3

A compulsory physical or psychological need for a habit-forming substance, such as a drug or alcohol.

Example

"The clinic offers specialized counseling for patients recovering from chemical dependency."


4

A country, province, or territory that is governed or controlled by another nation without being formally annexed by it.

Example

"The island operates as a self-governing crown dependency with its own legislative assembly."

Synonyms
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Antonyms
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Word Nuance & Usage

While 'dependence' and 'dependency' overlap in meaning, 'dependence' is generally preferred for the abstract state of relying on something, whereas 'dependency' is countable and preferred for subordinate territories, software packages, or specific clinical addictions.

• Rhymes for dependency

Word Origin & Etymology

Formed in the late 16th century from the adjective 'dependent' and the suffix '-cy', ultimately tracing back to the Latin verb 'dependere', meaning 'to hang down from' or 'be dependent on'.

Cite this Entry


Wordmom. (2026). Definition of Dependency. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/dependency
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