- septic - containing or resulting from disease-causing organisms; "a septic sore throat"; "a septic environment"; "septic sewage"
Antonyms: antiseptic, aseptic, sterile, bactericidal, disinfectant, germicidal, cleansing, purifying, uninfected, clean, nonpurulent
- septic - of or relating to or caused by putrefaction; "the septic action occurs at the bottom of the septic tank"