Cinerous is a word used to describe something that is grayish or ash-colored. Synonyms for cinerous include ashen, dusty, leaden, and slate-colored. Other options include smoky, gray, murky, and sooty. Cinerous is often associated with smoke, ash, and fire, which can also be described using related words like charred, burnt, and scorched. In nature, cinerous can describe rocks, mountains, and stones that have a grayish hue. Alternatively, it can be used to describe animals or plants that have a gray or ashen coloration, such as certain species of birds or trees. Overall, there are many words that can be used to convey the same concept as cinerous, depending on the context and tone.