yucky

from WordNet (r) 3.0 (2006)

yucky
    adj 1: highly offensive; arousing aversion or disgust; "a
           disgusting smell"; "distasteful language"; "a loathsome
           disease"; "the idea of eating meat is repellent to me";
           "revolting food"; "a wicked stench" [syn: {disgusting},
           {disgustful}, {distasteful}, {foul}, {loathly},
           {loathsome}, {repellent}, {repellant}, {repelling},
           {revolting}, {skanky}, {wicked}, {yucky}]

from The Collaborative International Dictionary of English v.0.48

yucky \yuck"y\, a.
   Repugnant or distasteful. [slang]

   Syn: disgusting, disgustful, distasteful, loathly, loathsome,
        repellent, repellant, repugnant, revolting.
        [PJC + WordNet 1.5]

from Moby Thesaurus II by Grady Ward, 1.0

38 Moby Thesaurus words for "yucky":
      awful, bad, barfy, beastly, brackish, cloying, disgusting, fetid,
      foul, fulsome, high, icky, maggoty, mawkish, mucky, nasty,
      nauseant, nauseating, nauseous, noisome, noxious, offensive,
      overripe, poisonous, rancid, rank, rebarbative, repellent,
      repugnant, revolting, rotten, sickening, spoiled, stinking,
      unappetizing, vile, vomity, weevily

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