Jocundness is a state of being cheerful, merry, and joyful. Antonyms for jocundness would be words that describe the opposite of these traits such as gloominess, sadness, depression, or despondency. Melancholy, dejection, sorrow, and misery are other words that can convey the opposite of jocundness. When someone is feeling low, unhappy, and desolate, they are far from exhibiting jocundness. Other antonyms for jocundness may include words like distress, despair, agony, and anguish. A person lacking jocundness may appear solemn, grave, or sullen, and may need some cheering up to help uplift their mood.