1
: of, relating to, or affecting the lungs
pneumonic plague
: pulmonic, pulmonary
2
: of, relating to, or affected with pneumonia

Examples of pneumonic 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 most serious form, known as pneumonic tularemia, develops after someone breathes in infected dust or aerosols. Mary Kekatos, ABC News, 3 Aug. 2026 Part of the scenario involved the weaponization of pneumonic plague by a terrorist cell in Denver. Gideon Lewis-Kraus, New Yorker, 25 July 2026 Bubonic plague spreads through flea bites, but pneumonic plague is a respiratory disease, which spreads in a similar way to the flu or COVID-19, and that seems to be how this early version would have passed from person to person. ArsTechnica, 18 June 2026 In 2003, the city of Chicago participated in TOPOFF 2, a national terrorism response exercise simulating a radiological attack in Seattle and the release of pneumonic plague in Chicago. Lauren Buitta, Forbes.com, 3 Sep. 2025 See All Example Sentences for pneumonic

Word History

Etymology

New Latin pneumonicus, from Greek pneumonikos, from pneumōn

First Known Use

1668, in the meaning defined at sense 1

Time Traveler
The first known use of pneumonic was in 1668

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Cite this Entry

“Pneumonic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pneumonic. Accessed 7 Aug. 2026.

Medical Definition

pneumonic

adjective
1
: of, relating to, or affecting the lungs : pulmonary
2
: of, relating to, or affected with pneumonia
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