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Definitions

sinus

[sahy-nuhs] / ˈsaɪ nəs /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

One of her children has developed a sinus condition and another has chronic headaches.

From The Wall Street Journal • May 18, 2026

The seeds of Scott’s journey into offshore medical treatments can be traced to about 2002, when he began to experiment with fasting as a way to prevent persistent sinus infections.

From Slate • Mar. 30, 2026

It is also included in a wide range of over-the-counter products for colds, flu, sinus symptoms, and menstrual discomfort.

From Science Daily • Jan. 18, 2026

Insmed slumped 15% after the pharmaceutical company ended development of a sinus drug following a failed study.

From Barron's • Dec. 18, 2025

“Kirby got stung by a yellow jacket, and Miller’s out with a sinus infection. Looks like you’ll be riding solo.”

From "Hoot" by Carl Hiaasen




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