Nauseate/ˈnɔːzieɪt/ Definition 1 of 2Pro Tip 1/3Physical Discomfort Use 'nauseate' to describe a strong physical reaction, not just mild discomfort. The sight of the wound might nauseate the untrained. Pro Tip 2/3Intensity Matters 'Nauseate' implies a severe level of sickness, more than just feeling unwell. The turbulent flight didn't just upset him, it nauseated him. Pro Tip 3/3Not Always Literal Sometimes 'nauseate' is used figuratively to express strong aversion. Her unfair accusations nauseated me.