The act of causing the complete extinction of an entire species.
George committed xenocide against frogs.
by Shadowcast August 31, 2009

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Top Definition
The act of a member of one species purposefully causing the extinction of another species.
If a man wiped out all mosquitos, he would have commited xenocide.
by Ouji Sukotto September 13, 2003

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Xenocide is genocide directed at an alien species.
Xenocide is awesome.
by Richard L November 10, 2005

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To commit the act of killing off an antire sentient specieas (bad spelling so what :P )
ender did not commit Xenocide, because one of the cacoons lived, and commander land was closer to it then him.
by Alan robbins November 25, 2003

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