path·​o·​gen·​ic | \ ˌpa-thə-ˈje-nik How to pronounce pathogenic (audio) \

Definition of pathogenic

2 : causing or capable of causing disease

Other Words from pathogenic

pathogenicity \ ˌpa-​thə-​jə-​ˈni-​sə-​tē How to pronounce pathogenic (audio) \ noun

Examples of pathogenic in a Sentence

Recent Examples on the Web Eighty black vultures in Maryland’s Harford County also were recently found dead from the highly pathogenic avian influenza, officials said, near wildlife areas along the Susquehanna River. Washington Post, 6 May 2022 Experts at the Raptor Center at the University of Minnesota recently advised people to quit filling bird feeders to combat the spread of highly pathogenic avian influenza, or HPAI, strain H5N1 in wild birds. Leada Gore |, al, 2 May 2022 Bald eagles are among the millions of birds nationwide being infected with highly pathogenic avian influenza, a viral disease with a high mortality rate for birds like chickens and raptors. Jennifer Calfas, WSJ, 18 Apr. 2022 Bald eagles in 14 states died after contracting the bird flu, while eagles in another two states are suspected of falling ill due to the highly pathogenic avian influenza, or HPAI, according to data from the U.S. Department of Agriculture. Jordan Mendoza, USA TODAY, 18 Apr. 2022 As Easter approaches, at least 90 flocks have already been affected by the highly pathogenic avian influenza. Chloe Sorvino, Forbes, 12 Apr. 2022 Highly pathogenic avian influenza has been found in a non-commercial backyard poultry flock in Colorado, the USDA confirmed in a statement on Saturday, amid the worst U.S. outbreak of the virus in seven years. Aysha Diallo,, 9 Apr. 2022 Experts are recommending people stop using outside birdfeeders to help prevent the spread of highly pathogenic Avian influenza. Leada Gore |, al, 20 Apr. 2022 The highly pathogenic avian influenza (HPAI) has been found in commercial and backyard farms in more than 22 states, according to the USDA. Vanessa Etienne,, 18 Apr. 2022 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'pathogenic.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of pathogenic

1850, in the meaning defined at sense 1

History and Etymology for pathogenic

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

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Time Traveler for pathogenic

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The first known use of pathogenic was in 1850

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Last Updated

20 May 2022

Cite this Entry

“Pathogenic.” Dictionary, Merriam-Webster, Accessed 28 May. 2022.

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More Definitions for pathogenic


patho·​gen·​ic | \ -ˈjen-ik How to pronounce pathogenic (audio) \

Medical Definition of pathogenic

2 : causing or capable of causing disease pathogenic microorganisms

Other Words from pathogenic

pathogenically \ -​i-​k(ə-​)lē How to pronounce pathogenic (audio) \ adverb

More from Merriam-Webster on pathogenic

Thesaurus: All synonyms and antonyms for pathogenic

Britannica English: Translation of pathogenic for Arabic Speakers


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