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D/Defunct
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Visual memory aid for Defunct

Defunct

No longer existing or functioning; having ceased to operate or be in use.

adjective
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Imagine This

Imagine an old factory on a quiet street: rusted gears, a silent conveyor belt, and a faded sign that once read 'Open for business' now hanging crookedly. The place feels still, as if all of its machines and workers have vanished into memory.

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Sounds Like

dee-FUNK-t

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Looks Like

Looks like 'function' with the prefix de- and a sense of loss of function.

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Remember This

Defunct describes things like organizations, systems, or devices that used to operate but no longer do. Do not use it for living people.

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Other Forms

defunctnessnoun
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Connect With

obsolete, nonfunctional, inoperative, inactive, extinct

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Note

Common pitfall: not interchangeable with 'defund' (to withdraw funding). Also avoid using it to describe a person; use terms like 'deceased' or 'dead' for people. More precise than 'inactive' when the thing has ceased to exist or function completely.

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Study Deeper

Examples
  • The defunct railway line has been abandoned for decades.
  • The defunct website still hosts old archives but is no longer maintained.
Synonyms
obsoletenonfunctionalinoperativeextinctdisused
Antonyms
operationalfunctionalactiveexistent
Etymology

From Latin defunctus, past participle of defungi 'to perform, discharge' with the prefix de- meaning 'down, away from.' The sense evolved in English to mean no longer in effect or existence.

Mnemonic

DE-FUNK-ED: Think of something that has had its function removed and is now 'de-funked' — it no longer works.