Synonyms for

Sinus

Verb / ˈsaɪnʌs / Another word for sinus — explore alternatives below. For syllable breakdowns and pronunciation, see this word on Syllablesworld.

Definition

Sinus refers to a hollow cavity in the skull that connects to the nasal passages.

Synonyms & similar words

venoussinus fistula cavity hollow pocket chamber recess cleft fissure crevice opening channel tunnel duct passage canal vent orifice aperture hole perforation foramen

Synonyms by register

Formal

cavity chamber hollow recess

Literary

grotto cavern

Common collocations

  • sinus infection
  • sinus cavity
  • nasal sinus
  • frontal sinus
  • maxillary sinus
  • sinus pressure
  • sinus drainage
  • sinusitis symptom

Word family

noun sinus
adjective sinusal

Usage note

Primarily used in medical and anatomical contexts. Refers to a cavity or passage in the body, most commonly the paranasal sinuses.

Example sentences

  1. I have a sinus headache today.
  2. She had to take medication for her sinus infection.
  3. The surgeon removed a tumor from the sinus cavity.
  4. My allergies are causing my sinuses to be congested.
  5. The sinus passage allows air to flow from the nose to the throat.

Quotes

  • "I have a cold and my sinuses are congested."
  • "The sinus cavity is an important part of the human skull."
  • "Sinus headaches can be very painful."

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