Nauseating

from WordNet (r) 3.0 (2006)

nauseating
    adj 1: causing or able to cause nausea; "a nauseating smell";
           "nauseous offal"; "a sickening stench" [syn:
           {nauseating}, {nauseous}, {noisome}, {queasy},
           {loathsome}, {offensive}, {sickening}, {vile}]

from The Collaborative International Dictionary of English v.0.48

Nauseate \Nau"se*ate\, v. i. [imp. & p. p. {Nauseated}; p. pr. &
   vb. n. {Nauseating}.] [L. nauseare, nauseatum, fr. nausea.
   See {Nausea}.]
   To become squeamish; to feel nausea; to turn away with
   disgust.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

84 Moby Thesaurus words for "nauseating":
      abhorrent, abominable, bad, barfy, base, beastly, below contempt,
      beneath contempt, brackish, cloying, contemptible, crappy, crude,
      despicable, detestable, disgusting, execrable, fecal, feculent,
      fetid, filthy, flyblown, forbidding, foul, fulsome, gloppy, gross,
      gunky, hateful, heinous, high, icky, ignoble, loathsome, maggoty,
      malodorous, mawkish, mephitic, miasmal, miasmic, mucky, nasty,
      nauseant, nauseous, noisome, noxious, objectionable, obnoxious,
      obscene, odious, offensive, ordurous, overripe, poisonous, puky,
      putrid, rancid, rank, rebarbative, repellent, repugnant, repulsive,
      revolting, rotten, scabby, scummy, scurfy, shitty, sickening,
      slabby, slimy, sloppy, sloshy, sludgy, slushy, spoiled, sposhy,
      stinking, vile, vomity, weevily, wormy, yecchy, yucky