"nauseous" in the adjective sense
1. nauseating, nauseous, noisome, queasy, loathsome, offensive, sickening, vile
causing or able to cause nausea
"a nauseating smell"
"nauseous offal"
"a sickening stench"
2. nauseated, nauseous, queasy, sick, sickish
feeling nausea feeling about to vomit
Source: WordNet® (An amazing lexical database of English)
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