"Wears on" is a phrase that refers to the passage of time and the weariness or boredom that may come with it. Synonyms for this phrase include "drags on," "grinds on," "tiresome," "monotonous," "tedious," and "dragging." These words all convey a sense of boredom and discomfort with the passing of time, which can be a common experience in many situations. If you're feeling like time is moving too slowly or that you're stuck in a boring or repetitive routine, using these synonyms may help you communicate your feelings more effectively and find ways to break out of your rut.