sep·​tic | \ ˈsep-tik How to pronounce septic (audio) \

Definition of septic

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 The source of the contamination is unclear, but common sources include leaky septic systems, waste dumped from boats and animal feces. Tristan Baurick,, "Four men caught harvesting polluted oysters in Terrebonne Parish," 4 Jan. 2021 Much of the island also is unsewered, with many residents using septic tanks. Irene Plagianos, WSJ, "Dow Chemical Backs Effort to Use New York City’s Drinking Water on Long Island," 29 Dec. 2020 Among those projects will be converting some homes and businesses from septic tanks to sewer systems and helping scientists understand Stony Coral Tissue Loss Disease, which has affected the region’s coral reef system. Jim Turner,, "DeSantis calls Everglades reservoir one of the ‘most important restoration projects in history’," 21 Dec. 2020 Senator Doug Jones and Representative Terri Sewell, both of Alabama, have sponsored grants to assist residents in connecting to the sewer grid or installing septic tanks. Alexis Okeowo, The New Yorker, "The Heavy Toll of the Black Belt’s Wastewater Crisis," 23 Nov. 2020 In Florida’s Miami-Dade County, according to a recent study, rising sea levels may threaten two-thirds of residential septic systems by 2040. Alexis Okeowo, The New Yorker, "The Heavy Toll of the Black Belt’s Wastewater Crisis," 23 Nov. 2020 Soon after, Welsey Ira Purkey, who was convicted of raping and murdering a 16-year-old girl before dismembering and burning her body and dumping it in a septic pond, was executed July 16. Jerry Dunleavy, Washington Examiner, "Executions of convicted killers move forward before Biden acts on vow to end federal capital punishment," 20 Nov. 2020 The new systems would be sort of a hybrid between traditional septic tanks – which don’t work well in the Black Belt’s thick clay soils – and building sewer lines and treatment plants, which would cost millions. Dennis Pillion |, al, "Potential solution emerges for Alabama’s Black Belt sewage woes," 19 Nov. 2020 Zell, who coached at the school for 27 years, died during the summer after a gastrointestinal infection that went septic, Newman coach Mark Faliveno said. Chris Dabe,, "‘Running with him’: Newman runners keep late coach Randy Zell in mind with state championships near," 11 Nov. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'septic.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of septic

1597, in the meaning defined at sense 1

History and Etymology for septic

Latin septicus, from Greek sēptikos, from sēpein to putrefy

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Time Traveler for septic

Time Traveler

The first known use of septic was in 1597

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Statistics for septic

Last Updated

20 Jan 2021

Cite this Entry

“Septic.” Dictionary, Merriam-Webster, Accessed 23 Jan. 2021.

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How to pronounce septic (audio)

English Language Learners Definition of septic

chiefly British, medical : infected with bacteria


sep·​tic | \ ˈsep-tik How to pronounce septic (audio) \

Medical Definition of septic

2 : relating to, involving, caused by, or affected with sepsis septic complications septic arthritis septic patients

More from Merriam-Webster on septic

Nglish: Translation of septic for Spanish Speakers

Britannica English: Translation of septic for Arabic Speakers

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