<p><strong>Verb (used without object)</strong></p><ul><li>to emit air or breath suddenly, forcibly, and audibly through the nose and mouth by involuntary, spasmodic action.</li></ul><p><strong>Noun</strong></p><ul><li>an act or sound of sneezing.</li></ul><p><strong>Verb phrase (Informal)</strong></p><ul><li>to treat with contempt; scorn: $50,000 is nothing to sneeze at.</li></ul>