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Definition of lifecycle

lifecycle

/ˈlaɪfˌsaɪ.kəl/
life · cy · cle

Plural:lifecycles
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lifecycle Lexical Profile

lifecycle Game Scores & Validity

• noun

1

The progression of distinct phases through which a product, software application, project, or system passes from its initial conception and development to its eventual retirement or obsolescence.

Example

"Effective security testing must be integrated throughout the entire software development lifecycle."


2

The complete series of changes in form and developmental stages that a living organism undergoes from the beginning of its life until its reproduction or death.

Example

"In biology class, the students diagrammed the complete lifecycle of a monarch butterfly from egg to adult."

Synonyms
View all synonyms for lifecycle

Word Nuance & Usage

In biological and scientific contexts, the open compound 'life cycle' is standard, whereas the closed spelling 'lifecycle' is widely preferred in software engineering, project management, and business.

Cite this Entry


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