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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
To be septic means the body is responding strongly to an infection, so strongly that the body can send itself into shock or shut down vital organs. Logan Smith, CBS News, 2 Feb. 2026 The grant money is not guaranteed, but requesting the federal funds is one step in the process to help reduce the village’s dependency on private septic systems or intergovernmental agreements with other companies and communities, village officials said. Michelle Mullins, Chicago Tribune, 30 Jan. 2026 There was no running water or septic system on the property, and the group appeared to be burning trash in a pit. Rachel Monroe, New Yorker, 21 Jan. 2026 One of those threats comes from aging septic systems. Iuliia Istratiy, Sun Sentinel, 20 Jan. 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 6 Feb. 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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