1.
You describe someone as ~ when you feel sorry for them because they are in an unpleasant situation or have suffered unpleasant experiences. (FORMAL)
You have built up a huge property empire by buying from ~ people who had to sell or starve.
ADJ
2.
You use ~ to describe someone or something that you dislike or feel angry with. (INFORMAL)
Wretched woman, he thought, why the hell can’t she wait?...
ADJ: ADJ n feelings
3.
Someone who feels ~ feels very unhappy. (FORMAL)
I feel really confused and ~...
= miserable
ADJ