Candescence is the term used to describe the state of something giving off a bright light, like a star or a flame. Some antonyms for candescence could be dimness, darkness, obscurity, or gloominess. Dimness refers to a lack of brightness or intensity, whereas darkness means the absence of light. Obscurity means the state of being unknown or inconspicuous, and gloominess describes a lack of brightness or cheerfulness, usually referring to the weather. These words provide a contrast to candescence and help to illustrate the variety of sensations that can be associated with light and darkness.