'Sneeze' definitions:

Definition of 'sneeze'

From: WordNet
noun
A symptom consisting of the involuntary expulsion of air from the nose [syn: sneeze, sneezing, sternutation]
verb
Exhale spasmodically, as when an irritant entered one's nose; "Pepper makes me sneeze"

Definition of 'Sneeze'

From: GCIDE
  • Sneeze \Sneeze\, v. i. [imp. & p. p. Sneezed; p. pr. & vb. n. Sneezing.] [OE. snesen; of uncertain origin; cf. D. snuse to sniff, E. neese, and AS. fne['o]san.] 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. [1913 Webster]
  • Not to be sneezed at, not to be despised or contemned; not to be treated lightly. [Colloq.] "He had to do with old women who were not to be sneezed at." --Prof. Wilson. [1913 Webster]

Definition of 'Sneeze'

From: GCIDE
  • Sneeze \Sneeze\, n. A sudden and violent ejection of air with an audible sound, chiefly through the nose. [1913 Webster]