Inundation is a term for Flooding.
Inundation may also refer to: Flooding of the Nile, regularly referred to as "the Inundation" Inundation, Gibraltar, flooded and fortified area of ground between Spain and Gibraltar Inundation of the Wieringermeer Season of the Inundation first season of the lunar and civil Egyptian calendars The Inundation of the Lost Villages in Ontario during the construction of the St. Lawrence Seaway