The phrase "more subfusc" refers to something that is dark, dull, or somber. Antonyms for this term could be bright, colorful, vivid, or lively. When describing clothing, you might use words like flashy, bold, or flamboyant. In terms of mood or atmosphere, the opposite of subfusc might be festive, cheerful, or jubilant. A space that is more subfusc might be transformed into something light and airy through the use of windows, light fixtures, and bright fabrics. Antonyms for more subfusc can be used to create a contrast or bring a sense of energy and vibrancy to a situation.