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
Recent Examples on the Web
Capsules that can detect electrochemical, bioimpedance, or visual signals could help doctors make sense of symptoms like vague abdominal pain by revealing inflammation, gut permeability, tumors, or bacterial overgrowth.
—
IEEE Spectrum, 18 Feb. 2026
According to the Centers for Disease Control and Prevention, listeria poisoning is a foodborne bacterial infection typically caused by the bacterium Listeria monocytogenes.
—Fernando Cervantes Jr, USA Today, 17 Feb. 2026
These symptoms can indicate bacterial or fungal problems, pests, or improper care like too much or too little water.
—Karen Brewer Grossman, Southern Living, 13 Feb. 2026
Vithanachchi proposed studying how genes control bacterial responses to antimicrobial compounds.
—Jonathan Wosen, STAT, 11 Feb. 2026
See All Example Sentences for bacterial
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
IEEE Spectrum, 18 Feb. 2026
According to the Centers for Disease Control and Prevention, listeria poisoning is a foodborne bacterial infection typically caused by the bacterium Listeria monocytogenes.
—Fernando Cervantes Jr, USA Today, 17 Feb. 2026
These symptoms can indicate bacterial or fungal problems, pests, or improper care like too much or too little water.
—Karen Brewer Grossman, Southern Living, 13 Feb. 2026
Vithanachchi proposed studying how genes control bacterial responses to antimicrobial compounds.
—Jonathan Wosen, STAT, 11 Feb. 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 20 Feb. 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
Love words? Need even more definitions?
Merriam-Webster unabridged
