Local thunderstorms and cloud-bursts are a characteristic phenomenon, inundating limited areas and transforming dried-up streams into muddy torrents carrying boulders and debris.
A tiny rill gradually became a boisterous stream, and the boisterous stream grew into a great river, which spread to all sections of the administration and ended by inundating the whole country.
By creating a separate email address you avoid inundating your personal or business mailbox with unnecessary emails.
Inundating a message board with the same promotion or news is counter-productive.
It owed its fertility to the Nile, which, inundating the land near its banks, was distributed by means of canals over more distant portions of its valley.