The word "refulgences" refers to an intense brightness or radiance. When looking for antonyms or opposites to this word, one might consider words that convey the opposite of brightness or radiance. Some potential antonyms could include words like darkness, dullness, or gloominess. Other antonyms could include words that suggest a lack of energy or vitality, such as lethargy, apathy, or fatigue. Depending on the context, other antonyms could include words that suggest negativity or pessimism, such as pessimism, despair, or hopelessness. Ultimately, the choice of antonyms for "refulgences" will depend on the specific context and the intended meaning.