The definition of septic is something that results from or causes decay, or absorption of something that produces disease.(adjective)
An example of septic is a cesspit toilet. An example of septic is a type of tank that contains the sewage from a household; a septic tank.
See septic in Webster's New World College Dictionary
Origin: L septicus < Gr sēptikos < sēpein, to make putrid: see sepia
See septic in American Heritage Dictionary 4
Origin: Latin sēpticus, putrefying
Origin: , from Greek sēptikos
Origin: , from sēptos, rotten
Origin: , from sēpein, to make rotten.
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