sinusitis

noun

si·​nus·​i·​tis ˌsīn-yə-ˈsī-təs How to pronounce sinusitis (audio)
ˌsī-nə-
: inflammation of a sinus of the skull

Examples of sinusitis 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 gentle formula flushes out irritants and moisturizes dry nasal passages related to allergies, colds, flu, and sinusitis. Nora Colomer, FOXNews.com, 5 Apr. 2025 Some people have recurring sinusitis, four or more episodes of acute sinusitis in the same year.4 Share Some Treatments While some treatments are specific to each condition, the two share some options. Sarah Hudgens, Health, 5 Apr. 2025 Sinus Congestion or Pain Sinus congestion or pain, or sinusitis, occurs as a result of inflammation. Lauren Schlanger, Verywell Health, 3 Apr. 2025 In some cases, swollen lymph nodes may indicate sinusitis (a sinus infection). Lindsay Curtis, Health, 1 Apr. 2025 See All Example Sentences for sinusitis

Word History

First Known Use

1896, in the meaning defined above

Time Traveler
The first known use of sinusitis was in 1896

Browse Nearby Words

Cite this Entry

“Sinusitis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sinusitis. Accessed 21 Apr. 2025.

Kids Definition

sinusitis

noun
si·​nus·​itis
ˌsī-n(y)ə-ˈsīt-əs
: inflammation of a sinus

Medical Definition

sinusitis

noun
si·​nus·​itis ˌsī-n(y)ə-ˈsīt-əs How to pronounce sinusitis (audio)
: inflammation of a sinus of the skull

More from Merriam-Webster on sinusitis

Last Updated: - Updated example sentences
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