pathogenic

adjective

path·​o·​gen·​ic ˌpa-thə-ˈje-nik How to pronounce pathogenic (audio)
Synonyms of pathogenicnext
1
2
: causing or capable of causing disease
pathogenicity noun

Examples of pathogenic in a Sentence

Recent Examples on the Web
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.
The paper hypothesizes that the ink persistence and the macrophage death could affect the capacity of these cells to control the spread of pathogenic viruses and bacteria. Jay Kakade december 20, New Atlas, 20 Dec. 2025 The highly pathogenic Eurasian H5N1 strain of bird flu began causing problems for North American poultry and wild birds in February 2022. Kendrick Calfee, Kansas City Star, 17 Dec. 2025 According to the Pennsylvania Game Commission, late 2024 and early 2025 saw a sharp resurgence of highly pathogenic avian influenza, or HPAI, in the state's wild birds. Madeline Bartos, CBS News, 16 Dec. 2025 Clermont County Public Health said two birds delivered to a state laboratory tested positive for the highly pathogenic avian influenza (HPAI), H5, known as the bird flu, according to a news release. David Ferrara, Cincinnati Enquirer, 8 Dec. 2025 See All Example Sentences for pathogenic

Word History

Etymology

patho- + -genic, after French pathogénique, German pathogenisch

First Known Use

1850, in the meaning defined at sense 1

Time Traveler
The first known use of pathogenic was in 1850

Browse Nearby Words

Cite this Entry

“Pathogenic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pathogenic. Accessed 5 Jan. 2026.

Kids Definition

pathogenic

adjective
patho·​gen·​ic
ˌpath-ə-ˈjen-ik
: causing or capable of causing disease

Medical Definition

pathogenic

adjective
patho·​gen·​ic -ˈjen-ik How to pronounce pathogenic (audio)
1
2
: causing or capable of causing disease
pathogenic microorganisms
pathogenically adverb

More from Merriam-Webster on pathogenic

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