This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. No longer existing or living: an extinct species.

adj. No longer burning or active: an extinct volcano.

adj. No longer in use: an extinct custom. See Synonyms at dead.

adj. Law Lacking a claimant; void: an extinct title.

adj. Extinguished, no longer alight (of fire, candles etc.)

adj. No longer used; obsolete, discontinued.

adj. No longer in existence; having died out.

adj. No longer actively erupting.

adj. Extinguished; put out; quenched

adj. Without a survivor; without force; dead

adj. Once existing as a species but now having no living members; -- used of species of living organisms, especially of animals and plants.

v. To cause to be extinct.

Extinguished; put out; quenched.

Having ceased; being at an end; out of existence or out of force; terminated: as, an extinct family or race; an extinct law.

n. Extinction.

To put out; destroy.

adj. being out or having grown cold

adj. no longer in existence; lost or especially having died out leaving no living representatives

adj. (of e.g. volcanos) permanently inactive

"Hope evolution makes these vermin extinct soon, but the mills of God grind exceedlngly slow, but extremely fine. aware"

dead   

extant   

extinguish    extinctive    extinction   

extinguished    quenched    dead   

blinked    distinct    indistinct    interlinked    linked    succinct    winked   

obsolete    indigenous    carnivorous    prehistoric    dormant    aquatic    nonexistent    inaccessible    mythical    fossil