The antonyms for the word "most unlit" are "brightest," "illuminated," and "shining." These words describe objects or places that are well-lit and radiating light. Brightest refers to the highest level of illumination, while illuminated suggests that the light source is clear and visible. Shining implies a gleaming or sparkling quality, often associated with polished surfaces or reflective materials. Using these antonyms, we can describe a well-lit cityscape or a brilliantly illuminated room. When we contrast "most unlit" with its antonyms, we can create a range of visual imagery that adds depth and nuance to our descriptions.