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Adjective: yucky (yuckier,yuckiest)  yú-kee
  1. Highly offensive; arousing aversion or disgust
    "a yucky smell";
    - disgusting, disgustful [archaic], distasteful, foul, loathly, loathsome, repellent, repellant, repelling, revolting, skanky, wicked, loathful [archaic], yukky

Derived forms: yuckier, yuckiest

See also: offensive

Encyclopedia: Yucky