wash out

verb

1.
prevent or interrupt due to rain
rain out
2.
wash free from unwanted substances, such as dirt
3.
wear or destroy by the force of water
Derived from:
washout
4.
remove by the application of water or other liquid and soap or some other cleaning agent
thway washing wash wash away wash off
5.
deplete of strength or vitality
6.
drain off the color in the course of laundering
undye
7.
lose color in the process of being washed