sinusitis

noun
si·​nus·​i·​tis | \ˌsīn-yə-ˈsī-təs, ˌsī-nə-\

Definition of sinusitis 

: inflammation of a sinus of the skull

Examples of sinusitis in a Sentence

Recent Examples on the Web

Unlike the antibiotics produced from this, these mold spores can easily move throughout the home in the air and be inhaled, causing respiratory problems, pulmonary inflammation, asthma, and potentially chronic sinusitis. Taylor Mead, House Beautiful, "How To ID The Different Kinds Of Mold In Your House—And Their Cause," 17 Sep. 2018 But a sinus CT scan performed after Mimi had taken medications for two months still showed persistent sinusitis. Sandra G. Boodman, chicagotribune.com, "The girl who couldn't stop coughing," 5 Apr. 2018 Sinus headaches happen due to sinusitis, or an inflammation of your sinuses, the cavities in your skull that are connected to your nose, according to the Mayo Clinic. Zahra Barnes, SELF, "Your ‘Sinus Headache’ Might Actually Be a Migraine," 25 Jan. 2018 The most common side effects are nose and throat irritation, sinusitis, upper respiratory infection, throat pain, headache, muscle aches, nausea and diarrhea. Stacey Burling, Philly.com, "An asthma drug shows promise against Alzheimer's," 8 June 2018 But a sinus CT scan performed after Mimi had taken medications for two months still showed persistent sinusitis. Sandra G. Boodman, chicagotribune.com, "The girl who couldn't stop coughing," 5 Apr. 2018 But a sinus CT scan performed after Mimi had taken medications for two months still showed persistent sinusitis. Sandra G. Boodman, chicagotribune.com, "The girl who couldn't stop coughing," 5 Apr. 2018 But a sinus CT scan performed after Mimi had taken medications for two months still showed persistent sinusitis. Sandra G. Boodman, Washington Post, "Why did a little girl have a persistent ‘smoker’s cough’?," 31 Mar. 2018 Viral sinus infections—also known as sinusitis—usually clear up on their own, says Dr. Lebowitz. Amanda Macmillan, Health.com, "A 13-Year-Old Died After a Sinus Infection Traveled to His Brain. How Does That Happen?," 16 Mar. 2018

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

See More

First Known Use of sinusitis

1896, in the meaning defined above

Keep scrolling for more

Learn More about sinusitis

Dictionary Entries near sinusitis

sinuous

sinus

sinus gland

sinusitis

sinus node

sinusoid

sinusoidal

Statistics for sinusitis

Last Updated

16 Nov 2018

Look-up Popularity

Time Traveler for sinusitis

The first known use of sinusitis was in 1896

See more words from the same year

Keep scrolling for more

More Definitions for sinusitis

sinusitis

noun

English Language Learners Definition of sinusitis

medical : painful swelling of the tissues inside the sinuses

sinusitis

noun
si·​nus·​itis | \ˌsī-n(y)ə-ˈsīt-əs \

Medical Definition of sinusitis 

: inflammation of a sinus of the skull

Keep scrolling for more

More from Merriam-Webster on sinusitis

See words that rhyme with sinusitis

Britannica English: Translation of sinusitis for Arabic Speakers

Britannica.com: Encyclopedia article about sinusitis

Comments on sinusitis

What made you want to look up sinusitis? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

to clear from alleged fault or guilt

Get Word of the Day daily email!

Test Your Vocabulary

Difficult Vocab Quiz

  • the-education-of-achilles-eugne-delacroix
  • Which is a synonym of discomfit?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!