wash out phrasal verb ( see also ↑ wash )
1 . wash something ↔ out to wash the inside of something quickly:
I’ll just wash out this vase for flowers.
2 . if a substance washes out, you can remove it from a material by washing it:
a dye that won’t wash out
3 . be washed out if an event is washed out, it cannot continue because of rain:
The summer fair was washed out by the English weather.
⇨ ↑ washed-out , ↑ washout