"Un-seasoned" refers to something that lacks flavor or seasoning. The antonyms of "un-seasoned" are "seasoned," "flavored," "spiced," "zesty," "savory," "aromatic," "tasty," "flavorful," "well-seasoned," "well-spiced," and "flavor-packed." These words suggest that the food or dish in question is full of taste and aroma, has a refined mix of herbs and spices, and will leave an inviting impact on the palate. These antonyms highlight the importance of seasoning in the world of culinary delights and how it is vital to enrich the flavors of any dish. Therefore, when cooking, it's best to experiment with different tastes and seasonings to add depth and bring out the natural flavors of ingredients.