Downpours are large amounts of precipitation that occur over a short period of time. There are several synonyms for downpours that can be used to add variety and color to your writing. One common synonym is deluge, which suggests a sudden and heavy burst of rain. Another is torrent, which implies a forceful and fast-moving stream of water. Showers, squalls, and cloudbursts are also synonyms for downpours, with each conveying a slightly different image or sensation. Using synonyms like these can make your writing more engaging and descriptive, adding depth and nuance to your descriptions of weather and other natural phenomena.