septic

adjective

sep·​tic ˈsep-tik How to pronounce septic (audio)
1
: of, relating to, or causing putrefaction
2
: relating to, involving, caused by, or affected with sepsis
septic patients
3
: used for sewage treatment and disposal
a septic system
also : of or relating to a septic system
septic effluents

Examples of septic in a Sentence

Recent Examples on the Web
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Volunteers were handing out face masks in case anyone went inside the houses to mitigate the smell of septic overflow, agricultural runoff, and mildew. Chantell Murphy, Outside, 24 Mar. 2026 Her old septic system was not designed to handle the soggy soil in her leach field, rendering the system unusable for six months out of the year. Tim Carter, Hartford Courant, 21 Mar. 2026 There's no septic system on the property for the kennel. Austin Turner, CBS News, 20 Mar. 2026 Another pressing issue is the number of failing septic systems in the Porter Beach neighborhood. Jim Woods, Chicago Tribune, 18 Mar. 2026 See All Example Sentences for septic

Word History

Etymology

Latin septicus, from Greek sēptikos, from sēpein to putrefy

First Known Use

1597, in the meaning defined at sense 1

Time Traveler
The first known use of septic was in 1597

Browse Nearby Words

Cite this Entry

“Septic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/septic. Accessed 27 Mar. 2026.

Medical Definition

septic

adjective
sep·​tic ˈsep-tik How to pronounce septic (audio)
1
2
: relating to, involving, caused by, or affected with sepsis
septic complications
septic arthritis
septic patients

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