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.
The key is to choose a product that's safe for your septic system while being specifically designed to tackle hard water stains. Ashlyn Needham, Southern Living, 4 Sep. 2025 Other contributing factors include animal and agricultural waste and failing septic systems. Christopher Cann, USA Today, 3 Sep. 2025 Bacteria can enter beaches via stormwater runoff, failing septic systems, leaking sewer pipes and sewer overflows, among other sources, according to Massachusetts' Public Health Department and Bureau of Climate and Environmental Health. Jillian Frankel, People.com, 1 Sep. 2025 The modern campground is closed for the remainder of the 2025 season for planned updates to the electrical and septic systems and to convert 44 campsites to full-hookup. Jenna Prestininzi, Freep.com, 28 Aug. 2025 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 10 Sep. 2025.

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

More from Merriam-Webster on septic

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