When you're writing, adjectives give you the most flexibility to create a vivid picture. It's also easy to slip into a cliche series of mundane, familiar adjectives. Describing Words helps inspire you with something different.
Head to Describing Words and enter the noun you want to write about. The site then gives you a list of descriptors. The list comes from an analysis of hundreds of books and authors over the last century. The creator of the tool used Project Gutenberg as a start for the database, later adding "around 100 gigabytes of text files". The result is a varied and eclectic list of adjectives you can pull from. Words that show up in blue are used more frequently than boxes in grey.
Of course, the adjectives you find may not be appropriate for your story, but they can serve as a way to inspire you while you try to paint a picture. Also, keep in mind that this tool is automated so you might accidentally come across a few words that aren't actually adjectives. If you don't recognise a word, always be sure to look it up before using it in your story.