extinct

(Variation and inheritance) species of organism that is no longer living

extinct

Living specimens no longer exist. (cf extant)

extinct

no longer active 
Found on http://www.graduateshotline.com/list.html

Extinct

An animal species that is extinct has died out. Most animal species that ever existed have gone extinct, including all the dinosaurs.
Found on http://www.enchantedlearning.com/subjects/dinosaurs/glossary/

Extinct

No longer in existence.
Found on http://www.encyclo.co.uk/local/20085

Extinct

a plant or animal species may entirely cease to exist. Recent examples are the dodo, a large flightless bird which used to live as recently as two hundred years ago, on the island of Mauritius. There are today many species of birds, flowers, fish, insects, large mammals, including certain types of whale, which are threatened with extinction, most a...
Found on http://www.encyclo.co.uk/local/20169

extinct

[adj] - no longer in existence 2. [adj] - of a fire 3. [adj] - of e.g. volcanos
Found on http://www.webdictionary.co.uk/definition.php?query=extinct

Extinct

As defined by the IUCN, extinct taxa are species or other taxa that are no longer known to exist in the wild after repeated search of their type of locality and other locations where they were known or likely to have occurred.
Found on http://www.encyclo.co.uk/local/20945

Extinct

Ex·tinct' adjective [ Latin extinctus , exstinctus , past participle of extinguere , exstinguere . See Extinguish .] 1. Extinguished; put out; quenched; as, a fire, a light, or a lamp, is extinct ; an extinct volcano. « Light, the prim...
Found on http://www.encyclo.co.uk/webster/E/96

Extinct

Ex·tinct' transitive verb To cause to be extinct. [ Obsolete] Shak.
Found on http://www.encyclo.co.uk/webster/E/96

extinct

out(p) adjective being out or having grown cold; `threw his extinct cigarette into the stream`; `the fire is out`
Found on http://wordnetweb.princeton.edu/perl/webwn?s=extinct

Extinct

• (a.) Without a survivor; without force; dead; as, a family becomes extinct; an extinct feud or law. • (a.) Extinguished; put out; quenched; as, a fire, a light, or a lamp, is extinct; an extinct volcano. • (v. t.) To cause to be extinct.
Found on http://thinkexist.com/dictionary/meaning/extinct/

Extinct

- a plant or animal species may entirely cease to exist. Recent examples are the dodo, a large flightless bird which used to live as recently as two hundred years ago, on the island of Mauritius. There are today many species of birds, flowers, fish, insects, large mammals, including certain types of whale, which are threatened with extinction, most...
Found on http://www.eclipse.co.uk/moordent/page5.html

Extinct

a species in which all living examples have died. A species that no longer exists in life.
Found on http://www.kingsnake.com/articles/Glossary.html

extinct

to quench; extinguere=squeeze out) used for species which are no longer known to exist in the wild after repeated searches of the type localities and other known likely places. The species may still exist in captivity or cultivation.
Found on http://www.seafriends.org.nz/books/glossary.htm

extinct

Having completely died out of existence.
Found on http://www.coastalplainsreptiles.com/glossary.htm

Extinct

No longer in existence.
Found on http://www.encyclo.co.uk/local/21498

extinct

no longer in existence. Once a species is extinct, all individuals within this species have forever vanished from the planet.
Found on http://idahoptv.org/dialogue4kids/season8/wolves/glossary.cfm

Extinct

No longer in existence. Once a species is extinct, all individuals within this species have forever vanished from the planet.
Found on http://www.wolf.org/wolves/learn/basic/glossary.asp

Extinct

The end of a species; when a species dies out it is classified as extinct.
Found on http://www.conservewildlifenj.org/glossary/

extinct

something that no longer exists
Found on http://insectzoo.msstate.edu/Glossary/

extinct

no longer in existence. An animal or plant facing extinction is one in danger of vanishing forever from our world
Found on http://www.northernlightswildlife.com/glossary.html

Extinct

A species which no longer exists. The Stellar sea cow is an example of a species which once lived on
Found on http://www.superglossary.com/Glossary/Science/Marine_Biology/

Extinct

A volcano that is not presently erupting and is not likely to do so for a very long time in the future.
Found on http://volcano.oregonstate.edu/glossary/1
No exact match found