inundation
noun /ˌɪnʌnˈdeɪʃn/
/ˌɪnʌnˈdeɪʃn/
[uncountable, countable] (formal)- the fact of large amounts of water covering an area that is usually dry synonym flooding
- the annual inundation of the Nile valley
- a very large number of things or people
- an inundation of campaign posters