fonctionné

Fonctionné is the past participle of the French verb fonctionner, which means to operate, to work, or to run. It is used to describe something that has operated or performed as expected, and it appears in compound tenses such as the passé composé. For example: Le moteur a bien fonctionné.

The verb fonctionner is related to the noun fonction (function) and derives from Latin functionare, from function-, meaning to perform or execute. This word group is common in technical, mechanical, and IT contexts.

Forms and agreement: The past participle is fonctionné in masculine singular; fonctionnée in feminine singular; fonctionnés in masculine plural; and fonctionnées in feminine plural. As an adjective, it can describe a noun that has been operated or tested, e.g., un appareil fonctionné or une machine fonctionnée. In practice, many speakers instead say en fonctionnement to indicate current operation.

Usage and context: The term occurs widely in technical, industrial, computing, and maintenance contexts. It frequently appears in product manuals, reports, and logs: Le système a fonctionné pendant dix heures.

Related terms: fonction, fonctionnement, faire fonctionner, fonctionnel. See also etymology notes in French dictionaries.