# sinusitis

> English word · Noun · frequency rank #58,365

## Definitions
1. An inflammation of one or more paranasal sinuses.

## Etymology
From sinus + -itis.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/sinusitis