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
Spray dry toilet paper with cleansing, soothing and refreshing Pristine to create an instant wet wipe that is actually flushable and safe for your sewer and septic systems.
—
Tory Johnson, ABC News, 9 Apr. 2026
Troubles with water mounted over the years, so much so that their driveway once was washed out and their septic system destroyed, after an uphill neighbor cut down dozens of mature trees.
—Kenneth R. Gosselin, Hartford Courant, 5 Apr. 2026
This property has a private well and septic, plus a backup water storage-and-treatment setup designed for reliability, and keeping the landscaping alive in a dry year.
—David Caraccio
april 4, Sacbee.com, 4 Apr. 2026
Invasive infection included infants and toddlers developing pneumonia, meningitis, septic arthritis, blood infection and swelling in the throat, causing permanent disabilities and death in about 5% of cases, or around 1,000 children annually.
—Eduardo Cuevas, USA Today, 4 Apr. 2026
See All Example Sentences for septic
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Tory Johnson, ABC News, 9 Apr. 2026
Troubles with water mounted over the years, so much so that their driveway once was washed out and their septic system destroyed, after an uphill neighbor cut down dozens of mature trees.
—Kenneth R. Gosselin, Hartford Courant, 5 Apr. 2026
This property has a private well and septic, plus a backup water storage-and-treatment setup designed for reliability, and keeping the landscaping alive in a dry year.
—David Caraccio
april 4, Sacbee.com, 4 Apr. 2026
Invasive infection included infants and toddlers developing pneumonia, meningitis, septic arthritis, blood infection and swelling in the throat, causing permanent disabilities and death in about 5% of cases, or around 1,000 children annually.
—Eduardo Cuevas, USA Today, 4 Apr. 2026
See All Example Sentences for septic
Cite this Entry
“Septic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/septic. Accessed 17 Apr. 2026.
Copy CitationMedical Definition
septic
adjective
sep·tic
ˈsep-tik 
1
2
: relating to, involving, caused by, or affected with sepsis
septic complications
septic arthritis
septic patients
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