What word means to overwhelm, often referring to a flood?

The term "deluge" signifies a sudden and overwhelming flow of water, often associated with intense rainfall or flooding. It can also be used metaphorically to describe an overwhelming amount of something, such as responsibilities or emotions. The connection to flooding is intrinsic to its meaning, particularly highlighting the nature of inundation that can cause disruption and chaos. This makes it the appropriate choice for a word that conveys the idea of overwhelming, especially within the context of a flood.