Antonyms for "un-appetizing" include words such as "delicious," "tempting," "mouth-watering," "enticing," and "appealing." These words describe food that looks and smells good enough to eat, and they create anticipation and desire. Other antonyms that describe food that is pleasing to the senses include "savory," "flavorful," "tasty," "scrumptious," and "delectable." All of these words suggest that the food is high-quality and enjoyable to consume, which is why they are often used to help promote restaurants, recipes, and food products.