Skip to main content
Visual memory aid for Defunct

Defunct

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

adjective

Check this word before you leave

Pick the meaning. Keys A–D work too.

How well do you know this word now?

Your choice schedules the next review.

💡

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.

🔊

Sounds Like

dee-FUNK-t

👀

Looks Like

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

📝

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.

📚

Other Forms

defunctnessnoun
🔗

Connect With

obsolete, nonfunctional, inoperative, inactive, extinct

📌

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.

🧠

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  • The defunct website still hosts old archives but is no longer maintained.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 The sense evolved in English to mean no longer in effect or existence.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.

Next Word

Continue in alphabetical order.

Defy

Study beyond this word

Turn vocabulary practice into a complete SAT plan

Add a workbook for repetition or the official guide for full-test context.

Compare all resources
Seberson Method SAT Vocabulary Workbook book cover

Vocabulary in context

SAT Vocabulary Workbook

The closest companion to SATVocab for students who want guided lessons and written practice.

Check the workbook
The Official Digital SAT Study Guide book cover

First-time test takers

Official SAT Guide

Official question styles, test structure, and print practice from the College Board.

Check the official guide

Paid Amazon links. As an Amazon Associate I earn from qualifying purchases.