simple past tense and past participle of wash out

To help to swallow by drinking a liquid, after eating something, or taking a pill. / To wash something completely from top to bottom.

The more or less radioactive waste produced by nuclear reactors and others.

Finished. There was nothing more to the issue.

Used other than figuratively or idiomatically: see wash, one's, hands. / (idiomatic, euphemistic) To go to the toilet.

(humorous) Said of a person who habitually mislays things.

(military, c. 1940s) Inserted in the manner of graffiti in many remote and difficult-to-access locations to mark the presence of American workers or military personnel.

(idiomatic) If one is not wasteful then one will not be in need.

A pointless or unproductive task.

A mechanical device that uses a pump to generate a high-pressure stream of water (up to 5000 PSI - residential/commercial and up to 70000 PSI for commercial/industrial uses) to clean surfaces.