Word Explorer

Extinct

/ɛkˈstɪŋkt/

To make extinct; to extinguish or annihilate.

📖 Definitions of "Extinct"

verb

adjective

1
Extinguished, no longer alight (of fire, candles etc.)
"Poor Edward's cigarillo was already extinct."
2
No longer used; obsolete, discontinued.
"Luckily, such ideas about race are extinct in current sociological theory."
3
(of a group of organisms, as a species) No longer in existence; having died out.
"The dinosaurs have been extinct for millions of years."
4
No longer active.
"Most of the volcanos on this island are now extinct."

6 synonyms found via WordNet and Google Books.

Word	Definition
deadnoun	(usually not comparable) No longer living; deceased. (Also used as a noun.)
outnoun	Away from the inside or centre.
inactivenoun	Not active, temporarily or permanently.
extinguished	Having been quenched or eliminated.
nonextant	Not extant.
quenched	allayed

Words with the opposite meaning.

Word	Definition
activenoun	Having the power or quality of acting; causing change; communicating action or motion; acting;—opposed to passive, that receives.
extant	Still in existence; not having disappeared.
inactivenoun	Not active, temporarily or permanently.
dormantnoun	Inactive, sleeping, asleep, suspended.

Found via reverse dictionary — words that share a conceptual meaning.

Word	Definition
extinguished	Having been quenched or eliminated.
dead	(usually not comparable) No longer living; deceased. (Also used as a noun.)
out	Not inside or within a place, especially a place that someone or something was formerly inside or is customarily inside:
inactive	Not active, temporarily or permanently.
nonextant	Not extant.
quenched	allayed
extirpated	(of a species) Locally extinct (though alive elsewhere).
defunct	No longer in use or active, nor expected to be again.
dark	Having an absolute or (more often) relative lack of light.
eradicated	Utterly destroyed; eliminated.
deceased	No longer alive; dead.
extinguishverb	(transitive) To stop (fire, etc.) from burning; also, to stop (light, etc.) from shining; to put out, to quench.
extinguishmentnoun	The act of extinguishing, putting out, or quenching, or the state of being extinguished.
disappearverb	(intransitive) To vanish.
disappearingnoun	disappearance
disappeared	(informal, euphemistic) Caused to disappear by someone, often for political reasons.
goneverb	Away, having left.
lost	In an unknown location; unable to be found.
off	(predicative only) Inoperative, disabled.
awol	(originally military) Absent without official leave (permission).