Question: what is a antonym for the word yummy?
Answer: unappetizing, flavorless, flat, stale, sickening, wretched, bland, unpleasant, smelly, abominable, unsavory, detestable, horrible, insipid, commonplace, unwholesome, awful, boring, noisome, dry, dull, offensive, horrid, distasteful, miserable, repugnant, repellent, yucky, banal, abhorrent, disagreeable, disgusting, ...