What is the meaning of "(look / feel) washed out" ?
What's the matter with you? You look really washed out.

Question

Answer

In this context, "washed out" means the person looks pale, possibly from illness.

Answer

Looking/feeling washed out means looking faded, lacking colour or intensity or feeling/looking exhausted, tired

http://www.thefreedictionary.com/washed-out

Answer

This could describe someone who looks very tired or sad. It could also mean that your face is very pale or your facial expression is blank. Hope this helps!