bacterial
adjective
bac·te·ri·al
bak-ˈtir-ē-əl 
: of, relating to, or caused by bacteria
bacterial infection
Examples of bacterial in a Sentence
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People in their teens and early 20s are considered to be at greater risk for this type of rare but serious bacterial infection called meningococcal group B that can lead to meningitis, an inflammation in the membranes that cover the spinal cord and brain.
—
Kathleen Felton, Washington Post, 25 Mar. 2026
For more advanced cases, Douxo S3 wipes are an excellent over-the-counter choice when inflammation, infection, yeast, or bacterial overgrowth is a concern.
—Trisha Easto, USA Today, 24 Mar. 2026
Webber's path to pro cornhole At 10 months old, Webber was diagnosed with a bacterial infection, Streptococcus pneumoniae, that turned so aggressive he was given last rites.
—Rachel Treisman, NPR, 24 Mar. 2026
The other option was Vowst, the medication made from some of the bacterial spores found in an FMT.
—Eric Boodman, STAT, 23 Mar. 2026
See All Example Sentences for bacterial
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Kathleen Felton, Washington Post, 25 Mar. 2026
For more advanced cases, Douxo S3 wipes are an excellent over-the-counter choice when inflammation, infection, yeast, or bacterial overgrowth is a concern.
—Trisha Easto, USA Today, 24 Mar. 2026
Webber's path to pro cornhole At 10 months old, Webber was diagnosed with a bacterial infection, Streptococcus pneumoniae, that turned so aggressive he was given last rites.
—Rachel Treisman, NPR, 24 Mar. 2026
The other option was Vowst, the medication made from some of the bacterial spores found in an FMT.
—Eric Boodman, STAT, 23 Mar. 2026
See All Example Sentences for bacterial
Cite this Entry
“Bacterial.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bacterial. Accessed 31 Mar. 2026.
Copy CitationKids Definition
bacterial
adjective
bac·te·ri·al
bak-ˈtir-ē-əl
: of, relating to, or caused by bacteria
Medical Definition
bacterial
adjective
bac·te·ri·al
bak-ˈtir-ē-əl
: of, relating to, or caused by bacteria
a bacterial chromosome
bacterial infection
bacterial endocarditis
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