nauseous

adjectives

causing or able to cause nausea
"a nauseating smell"; "nauseous offal"; "a sickening stench"
loathsome, nauseating, nauseous, noisome, offensive, queasy, sickening, vile
is derived from
nausea
feeling nausea; feeling about to vomit
nauseated, nauseous, queasy, sick, sickish
is derived from
nausea