conjunctivitis

noun

con·​junc·​ti·​vi·​tis kən-ˌjəŋ(k)-ti-ˈvī-təs 

: inflammation of the conjunctiva

Examples of conjunctivitis in a Sentence

Recent Examples on the Web

Regularly cleaning feeders is one of the best ways to prevent conjunctivitis, fungal infections, and other diseases from spreading among the birds flocking to your yard. —Madeline Buiano, Martha Stewart, 13 Apr. 2026

Red, watery eyes (conjunctivitis). —Joseph Buczek, CBS News, 2 Apr. 2026

Allergic conjunctivitis causes inflammation of the eye lining, with symptoms including red, watery and itchy eyes. —Matthew Robinson, MSNBC Newsweek, 31 Mar. 2026

Red, watery eyes that can develop into pink eye or conjunctivitis. —Kristen Jordan Shamus, Freep.com, 19 Mar. 2026

Word History

First Known Use

1835, in the meaning defined above

Rhymes for conjunctivitis

• alveolitis
• bronchiolitis
• caenorhabditis
• cholecystitis
• encephalitis
• endometritis
• endophthalmitis
• esophagitis
• folliculitis
• myocarditis
• periostitis
• peritonitis

Kids Definition

conjunctivitis

noun

con·​junc·​ti·​vi·​tis kən-ˌjəŋ(k)-ti-ˈvīt-əs 

: inflammation of the conjunctiva : pinkeye

Medical Definition

conjunctivitis

noun

con·​junc·​ti·​vi·​tis kən-ˌjəŋ(k)-ti-ˈvīt-əs 

: 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