In the summer of 1993, record rains in the Midwest caused the Mississippi River to overflow its banks, break through levees, and inundate the entire countryside; such an inundation hadn't been seen for at least a hundred years. By contrast, the Nile River inundated its entire valley every year, bringing the rich black silt that made the valley one of the most fertile places on earth. (The inundations ceased with the completion of the Aswan High Dam in 1970.) Whenever a critical issue is being debated, the White House and Congressional offices are inundated with phone calls and emails, just as a town may be inundated with complaints when it starts charging a fee for garbage pickup.
Rising rivers could inundate low-lying areas.
water from the overflowing bathtub inundated the bathroom floor
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Low-lying property including homes, businesses, and some critical infrastructure may be inundated.—Nc Weather Bot, Charlotte Observer, 30 Jan. 2026 There will be 1-2 feet of water inundating many of the typically vulnerable coastal roads, some of which are likely to be closed Sunday and Monday.—Terry Eliasen, CBS News, 30 Jan. 2026 Temperatures remained mild in Florida last weekend while the massive ice storm inundated its neighboring states to the north.—Dan Peck, ABC News, 30 Jan. 2026 In October, the town was inundated by floodwaters after days of heavy rain from Hurricane Melissa caused a river to overflow its banks, killing dozens.—Jacqueline Charles, Miami Herald, 28 Jan. 2026 See All Example Sentences for inundate
Word History
Etymology
Latin inundatus, past participle of inundare, from in- + unda wave — more at water