There are several antonyms for the word "over-joying," which means feeling extremely happy or delighted. Some of the most common antonyms for this word include "sorrowful," "depressed," "miserable," "discontented," and "unhappy." These words describe emotions that are the complete opposite of joy, indicating a sense of sadness, disappointment, or dissatisfaction. When people are not over-joying, they may be experiencing a range of other emotions, such as anger, frustration, irritation, or apathy. Using the right antonym can help convey the right tone and mood in writing or conversation, helping to create a more nuanced and complete picture of someone's emotional state.