Synonyms: disgust, sicken
Nauseate Sentence: She felt nauseated when she saw the butcher cut meat.
Under The Lens: Nausea Etymology
Nausea, from which the word nauseated is derived, is a feeling of sickness at the stomach, especially when accompanied by an involuntary impulse to vomit. The word nausea comes from the Greek word nausia which means seasickness.
Also, nauseate is extended to mean to cause to feel disgust. Ex – The way you treat your servants nauseates me.