WordWeb Online

1. Causing or able to cause nausea
   "a nauseating smell";
   - nauseous, noisome, queasy, loathsome, offensive, sickening, vile, vomitous [US], loathful [archaic]

1. Cause aversion in; offend the moral sense of
   "The pornographic pictures nauseated us";
   - disgust, revolt, sicken
    
2. Upset and make nauseated
   "The mould on the food nauseated the diners";
   - sicken, turn one's stomach

See also: gut-wrenching, unwholesome

Type of: disgust, gross out [informal], repel, repulse, revolt

Encyclopedia: Nauseating