conjunctivitis

noun

con·​junc·​ti·​vi·​tis kən-ˌjəŋ(k)-ti-ˈvī-təs How to pronounce conjunctivitis (audio)
: inflammation of the conjunctiva

Examples of conjunctivitis 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.
Being outdoors exposes them to several risks, including catching diseases such as herpes viral conjunctivitis, feline AIDS, leukemia, and infectious peritonitis, according to People for the Ethical Treatment of Animals (PETA). Maria Azzurra Volpe, MSNBC Newsweek, 15 May 2025 Related article What to know about measles Cases of measles usually come with the three Cs: cough; coryza, which is a stuffy nose; and conjunctivitis, which is red eyes. Neha Mukherjee, CNN, 22 Feb. 2025 The girl, who had mild asthma and obesity, first went to the emergency room on Nov. 4 for conjunctivitis and a fever, but she was sent home without treatment, according to the report. Kaitlin Sullivan, NBC News, 3 Jan. 2025 Common illnesses for those who live, work or go to school in close proximity to the Tijuana River include respiratory illness from breathing toxic fumes of hydrogen sulfide, gastrointestinal illness (diarrhea), skin infections, conjunctivitis and headaches, just to name a few. Kimberly Dickson, San Diego Union-Tribune, 4 Apr. 2025 See All Example Sentences for conjunctivitis

Word History

First Known Use

1835, in the meaning defined above

Time Traveler
The first known use of conjunctivitis was in 1835

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Cite this Entry

“Conjunctivitis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/conjunctivitis. Accessed 30 Jun. 2025.

Kids Definition

conjunctivitis

noun
con·​junc·​ti·​vi·​tis kən-ˌjəŋ(k)-ti-ˈvīt-əs How to pronounce conjunctivitis (audio)
: inflammation of the conjunctiva : pinkeye

Medical Definition

conjunctivitis

noun
con·​junc·​ti·​vi·​tis kən-ˌjəŋ(k)-ti-ˈvīt-əs How to pronounce conjunctivitis (audio)
: inflammation of the conjunctiva that is typically marked by pinkness or redness of the sclera and by itching, burning, irritation, discharge, or excessive tearing of the eye and that is typically caused by pathogenic microorganisms (such as bacteria or viruses), allergens, or irritants see pink eye

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