Top-dressed is a term that is frequently used in agricultural and horticultural contexts, referring to the practice of applying a thin layer of organic or inorganic materials like manure, compost, mulch or lime on top of the land or field. Antonyms for the word "top-dressed" might include under-dressed, inadequately fertilized or unfertilized, untreated, neglected, without covering or exposing. All these terms speak to the lack of a top-dressing layer, indicating that the soil or field is either lacking in nutrients or not cared for properly. Hence, using antonyms for "top-dressed" highlights the importance of taking care of the land and providing it with the nourishment it needs.