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
Broward and Miami-Dade counties have programs to convert septic systems, which fail and leach into waterways as seas rise, onto municipal sewer systems.
—
Bill Kearney, Sun Sentinel, 7 Apr. 2025
Shutting down the septic system would eliminate the potential contamination of Lake Michigan waters.
—Jim Woods, Chicago Tribune, 4 Apr. 2025
The pods can help your septic system avoid the harmful effects caused by bleach, detergents and other chemical drain openers.
—Nora Colomer, FOXNews.com, 29 Mar. 2025
This will speed up vital projects like reinforcing the seawall and converting septic systems to sewer pipelines, boosting community resilience.
—Miami Herald Staff, Miami Herald, 21 Mar. 2025
See All Example Sentences for septic
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Bill Kearney, Sun Sentinel, 7 Apr. 2025
Shutting down the septic system would eliminate the potential contamination of Lake Michigan waters.
—Jim Woods, Chicago Tribune, 4 Apr. 2025
The pods can help your septic system avoid the harmful effects caused by bleach, detergents and other chemical drain openers.
—Nora Colomer, FOXNews.com, 29 Mar. 2025
This will speed up vital projects like reinforcing the seawall and converting septic systems to sewer pipelines, boosting community resilience.
—Miami Herald Staff, Miami Herald, 21 Mar. 2025
See All Example Sentences for septic
Cite this Entry
“Septic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/septic. Accessed 21 Apr. 2025.
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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