Synonyms of defunct

defunct

adjective

di-ˈfəŋkt 

1

as in extinct

no longer existing

a stack of brochures and a few faded placards are all that remain of the defunct organization

Synonyms & Similar Words

• extinct
• vanished
• expired
• gone
• departed
• bygone
• obsolete
• done
• faded
• dead
• fallen
• nonexistent
• antiquated
• moribund
• nonextant
• bypast
• dying
• collapsed
• terminated
• lapsed
• lost
• dated
• missing
• finished
• overthrown
• passé

Antonyms & Near Antonyms

• existing
• alive
• extant
• active
• living
• dynamic
• existent
• thriving
• vibrant

2

as in fallen

no longer living

a defunct species that we know only through fossil remains

Synonyms & Similar Words

• fallen
• dead
• deceased
• extinct
• gone
• late
• departed
• lifeless
• low
• demised
• asleep
• dying
• cold
• breathless
• moribund
• bitten the dust
• fading
• terminated
• lapsed
• stillborn
• finished
• inanimate
• insensate
• nonliving

Antonyms & Near Antonyms

• live
• alive
• breathing
• living
• quick
• going
• dynamic
• active
• vital
• functioning
• vibrant
• operative
• animate
• lively
• thriving
• animated
• vivacious
• running

Synonym Chooser

How does the adjective defunct contrast with its synonyms?

Some common synonyms of defunct are dead, deceased, departed, and late. While all these words mean "devoid of life," defunct stresses cessation of active existence or operation.

a defunct television series

When is dead a more appropriate choice than defunct?

The meanings of dead and defunct largely overlap; however, dead applies literally to what is deprived of vital force but is used figuratively of anything that has lost any attribute (such as energy, activity, radiance) suggesting life.

a dead, listless performance

How does the word deceased relate to other synonyms for defunct?

Deceased, departed, and late apply to persons who have died recently. Deceased is the preferred term in legal use.

the estate of the deceased

When might departed be a better fit than defunct?

The words departed and defunct are synonyms, but do differ in nuance. Specifically, departed is used usually as a euphemism.

our departed sister

When would late be a good substitute for defunct?

While in some cases nearly identical to defunct, late is used especially with reference to a person in a specific relation or status.

the company's late president

Example Sentences

Recent Examples of defunct

Iran’s foreign minister is a longtime diplomat and was a key negotiator in the now-defunct 2015 nuclear deal. —Suman Naishadham, Chicago Tribune, 28 Feb. 2026

Multiple media outlets have reported that investigators may be examining Carvalho’s involvement in the district’s past contract with AllHere, the now-defunct education technology startup behind LAUSD’s AI chatbot initiative. —Teresa Liu, Daily News, 28 Feb. 2026

That original scarcity logic also justified a broader regulatory architecture, including the now-defunct Fairness Doctrine. —Jay Caruso, The Washington Examiner, 27 Feb. 2026

The plan to fuel the AI data center relies on reopening and expanding the nearby Blue Valley Power Plant, which has been defunct since 2020. —Ilana Arougheti, Kansas City Star, 27 Feb. 2026