Throwing herself from the saddle, she slid precipitately into the washout just as Denver thundered up, snorting a challenge.
He knew the spring rains with their awesome powers of washout and flood.
washout of an evening; makes home seem quite nice, especially with George here.
Just for an instant the word “washout” flashed through his mind.
Bob Starr was eager to see the washout, and decide for himself what chance of escape they might have had.
One day one of the students came up to him for washout check.
When the washout bowl was introduced it was considered perfection.
This filling and repairing looks like the washout might have been true.
It evidently used to stand on the bank of the river, but some washout left it back so far that it was deserted.
An attack that fails is a "washout," for not all attacks succeed.
"disappointing failure," 1902, from verbal phrase wash out "obliterate, cancel," attested from 1570s, hence colloquial sense of "to call off (an event) due to bad weather, etc."
A technique of evading surveillance by taking an absurdly indirect route from one place to another (1990s+ Police)