Meanings
- uncountableThe act of killing all living creatures on a planet.
>Proof of this is that the mean temperature of the planet has only >risen less than 1 degree over the last century. Why are you attempting to commit planetcide with your lies?
2006 November 26, Roedy Green, “Re: Global Warming A Lot Of Bunk--Climate Expert”, in bc.politics (Usenet), message-ID <rd3qm2h94dj91qadm709e98rmso1qtmnp1@4ax.com>1 more example
Of course, the BEMs had better be *real* sure the technology of their "deadly probes" is sufficient to deal with said technological life forms when they finally get there, because an unsuccessful attempt at planetcide is bound to get the victims upset -- and they might come looking for the perpetrators.
1990 April 18, Mike Van Pelt, “Fermi Paradox: Deadly Probes”, in sci.space (Usenet), message-ID <2393@hsv3.UUCP>
Origin
Rhymes & wordplay
Anagrams
Cite this entry
planetcide. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/planetcide
“planetcide.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/planetcide. Accessed November 2, 2026.
WatkinsX Dictionary, s.v. “planetcide,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/planetcide.
Source: planetcide on Wiktionary, CC BY-SA 4.0.