hiccup ? Use Hiccup in a sentence Ads Brain Training Games www.lumosity.com Train memory and attention with scientific brain games. Dr.Susan Hu on Danforth www.bestofchinesemedicine.com 20 years experience in Canada&China Pain/Cough/PMS/Digestion/fatigue hic·cup [hik-uhp, -uhp] Show IPA noun 1. a quick, involuntary inhalation that follows a spasm of the diaphragm and is suddenly checked by closure of the glottis, producing a short, relatively sharp sound. 2. Usually, hiccups. the condition of having such spasms: She got the hiccups just as she began to speak. 3. Informal. a minor difficulty, interruption, setback, etc.: a hiccup in the stock market. verb (used without object), hic·cuped or hic·cupped, hic·cup·ing or hic·cup·ping. 4. to make the sound of a hiccup: The motor hiccuped as it started. 5. to have the hiccups. 6. Informal. to experience a temporary decline, setback, interruption, etc.: There was general alarm when the economy hiccuped.