Meaning of ‘Wash out’ Phrasal Verb in English

I need to wash out this stain before it sets.

The rain helped wash out the footprints on the surface.

The river current can wash out the soil along its banks.

She had to wash out the paintbrushes after the art class.

It's important to wash out the containers before recycling.

The dishwasher can easily wash out the food residue from dishes.

The stormy weather might wash out our beach picnic plans.

The heavy rain threatened to wash out the outdoor concert.

The organizers had to wash out the outdoor wedding due to the storm.

The persistent fog could wash out the plans for a hot air balloon ride.

The sudden schedule change could wash out the team's chances of winning.