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.
According to the Centers for Disease Control and Prevention, one of the main drivers of elevated and unpredictable egg prices has been the ongoing outbreak of highly pathogenic avian influenza. Marley Malenfant, Austin American Statesman, 20 Jan. 2026 Simply labeling a variant as ‘pathogenic’ or ‘benign’ might miss the bigger story because those supposedly harmful changes can sometimes be offset by a second mutation. William A. Haseltine, Forbes.com, 20 Jan. 2026 In contrast, pathogenic inflammation can stem from overactive immune cells releasing inflammatory signals after a prolonged response to a bacteria or virus. Allison Aubrey, NPR, 19 Jan. 2026 The laboratory confirmed a positive result for highly pathogenic avian influenza Monday evening. Christopher Harris, CBS News, 14 Jan. 2026 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 28 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

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!