The phrase "more cinereal" refers to something that is even grayer or more ashy in color than its original state. Some synonyms for this phrase include "ashen", "pale", "bleached", "faded", "dull", and "drab". These words all describe a lack of vibrancy or brightness in color. Other synonyms for the phrase "more cinereal" could include "greyer", "drearier", "dingier", "muted", and "somber". These words all describe a quality of color that lacks vibrancy or richness. When trying to convey a sense of grayness or dreariness in color, any of these synonyms might be a good substitute for the phrase "more cinereal".