<p><strong>Noun</strong></p><ul><li>the condition of having an accumulation of gas in the alimentary canal: To avoid the uncomfortable feeling of flatulence, increase your fiber intake gradually.</li><li>the expulsion of alimentary gas through the anus: Symptoms include abdominal discomfort, flatulence, and headache.</li><li>inflated and empty speech or writing; unsupported pretension; pomposity: His lectures, noted for their flatulence, were popular fodder for mocking.</li></ul>