washout

1. The erosion of a relatively soft surface by a sudden gush of water; also, a channel produced by this action.Examples: "In a message to NR [National Rail] staff on August 14, Haines said: "It's not just Scotland impacted by extreme wet weather. This week we have seen, and will continue to see, heavy rain fall. This has caused washouts and landslips across the length and breadth of Great Britain.""Synonyms: washawaycountableuncountable

2. (slang)Examples: "The Austin picnic was a washout, rained all day."Synonyms: rainoutcountableslanguncountable

3. (slang)Examples: "Illawarra turns blue in Liberal washout [title]"; "[Joe] Biden failed to flip crucial toss-up states such as Florida and Ohio and pull off the blue washout his supporters had been touting."countableslanguncountable

4. (slang)Examples: ""I thought you was goin' into the business yourself." / "That's a wash-out," snarled Silas. "Don't you talk of it. It's finished.""; "[Chapter XX] "And what you do, Bertie, is get out that car of yours and scour the countryside for Glossop. It may be possible to head him off. Come on, come on, let's have some service. What are you waiting for?” I hadn't exactly been waiting. I'd only been thinking that the enterprise had more than a touch of looking for a needle in a haystack about it. You can't find loony-doctors on their afternoon off just by driving around Worcestershire in a car; you need bloodhounds and handkerchiefs for them to sniff at and all that professional stuff. Still, there it was. “Right-ho,” I said. “Anything to oblige.” [Chapter XXI] And, of course, as I had anticipated from the start, the thing was a wash-out. I stuck it out for about an hour and then, apprised by a hollow feeling in the midriff that the dinner hour was approaching, laid a course for home."; "With the ex-president [Donald Trump] facing heat for the GOP's midterm washout, there is conflict on if he should hold off next week's event [subtitle]"countableslanguncountable

5. (slang)Examples: "As an actor he was a complete washout, so he went back to accounting."countableslanguncountable

6. (aviation)countableuncountable