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
Her son Daniel, however, told TMZ that Betty suffered a number of septic infections before her death, and had a serious fall approximately three weeks before her death.
—
Alex Gurley, PEOPLE, 11 May 2026
Eco effort The entire camp is solar-powered, and the septic system is a biodigester, which breaks down organic waste and converts it into biogas and nutrient-rich fertilizer.
—Condé Nast, Condé Nast Traveler, 6 May 2026
Sewer line to the Amphitheater septic field shown.
—Christa Swanson, CBS News, 30 Apr. 2026
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.
—ABC News, 21 Apr. 2026
See All Example Sentences for septic
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Alex Gurley, PEOPLE, 11 May 2026
Eco effort The entire camp is solar-powered, and the septic system is a biodigester, which breaks down organic waste and converts it into biogas and nutrient-rich fertilizer.
—Condé Nast, Condé Nast Traveler, 6 May 2026
Sewer line to the Amphitheater septic field shown.
—Christa Swanson, CBS News, 30 Apr. 2026
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.
—ABC News, 21 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 20 May. 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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