If you are sorry about a situation, you feel regret, sadness, or disappointment about it.

If you feel sorry for someone who is unhappy or in an unpleasant situation, you feel sympathy and sadness for them.

You say that someone is feeling sorry for themselves when you disapprove of the fact that they keep thinking unhappily about their problems, rather than trying to be cheerful and positive.

If someone or something is in a sorry state, they are in a bad state, mentally or physically.

You say 'Sorry' or 'I'm sorry' as a way of apologizing to someone for something that you have done which has upset them or caused them difficulties, or when you bump into them accidentally.

You use I'm sorry or sorry as an introduction when you are telling a person something that you do not think they will want to hear, for example when you are disagreeing with them or giving them bad news.

You say 'I'm sorry' to express your regret and sadness when you hear sad or unpleasant news.

You say 'Sorry?' when you have not heard something that someone has said and you want them to repeat it.

You use sorry when you correct yourself and use different words to say what you have just said, especially when what you say the second time does not use the words you would normally choose to use.

You use the expression I'm sorry to say to express regret together with disappointment or disapproval.