'yucky' definitions:

Definition of 'yucky'

From: WordNet
adjective
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]

Definition of 'yucky'

From: GCIDE
  • yucky \yuck"y\, a. Repugnant or distasteful. [slang]
  • Syn: disgusting, disgustful, distasteful, loathly, loathsome, repellent, repellant, repugnant, revolting. [PJC + WordNet 1.5]