When it comes to antonyms for the phrase "hiked up," several words come to mind. Some of these antonyms include "lowered," "reduced," "decreased," and "lowered down." These opposite terms are useful when discussing the opposite action or situation in which an item or object is not elevated or raised but placed lower to the ground. For instance, the price of a product can be hiked up or raised in value, but it can also be reduced or decreased in value, which is the opposite of hiking up. Hence, having a variety of antonyms for words like "hiked up" helps to enhance communication and convey the right meaning.