To emit air, chiefly through the nose, audibly and violently, by a kind of involuntary convulsive force, occasioned by irritation of the inner membrane of the nose.

A sudden and violent ejection of air with an audible sound, chiefly through the nose.

To exhale breath from the nose and mouth in a sudden, involuntary action as a result of irritation of the mucous membranes of the nose.

a symptom consisting of the involuntary expulsion of air from the nose

exhale spasmodically, as when an irritant entered one's nose; "Pepper makes me sneeze"

a bit like an itch in your nose

an involuntary explosive burst of air from the nose and mouth that removes offending material from the nasal passages

a reflex reaction triggered by irritation of the soft lining inside your nose

a reflex response that involves the brain, the face, the throat, the chest and the abdominal muscles

a reflex response which involves the facial, throat, chest and abdomen muscles

a reflex that is triggered when nerve endings inside the mucous membrane of the nose are stimulated

a reflex triggered by sensory stimulation of the membranes in the nose, resulting in a coordinated and forceful expulsion of air through the mouth and nose

a response to an irritant

a short, forceful expiration through the nose

a strong, forceful expiration through the nose

a sudden, forceful, involuntary burst of air through the nose and mouth

A sternutation, sternutatory reflex or, more commonly known, sneeze is a semi-autonomous, convulsive expulsion of air from the nose and mouth. This air can reach speeds of 70 m/s (250 km/h or 155 MPH). Sneezes spread disease by producing infectious droplets that are 0.5 to 5 µm in diameter, about 40,000 such droplets can be produced by a single sneeze.Cole EC, Cook CE.