WordWeb Online

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

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

See also: nausea, nauseant, nauseatingness, unwholesome

Type of: disgust, gross out, repel, repulse, revolt