Longman Dictionary of Contemporary English - sore

~1 adj 1 a part of your body that is sore is painful and often red because of a wound or infection or because you have used a muscle too much  (My legs were really sore after aerobics last week. | a sore finger | a sore throat)  (Val woke up with a sore throat and a temperature of 102°.) 2 informal, especially AmE upset, angry, and annoyed, especially because you have not been treated fairly  (He was still sore because I didn't call him back on Friday night.) + at/abou  (Don't be sore at me. I was going to tell you, I just forgot.) 3 a sore point/spot something that is likely to make someone upset or angry when you talk about it  (His lack of education has always been a sore point with him.) 4 only before noun used to emphasize how serious, difficult etc something is  (Inner city schools are in sore need of extra funds.)  (- see also be like a bear with a sore head bear2 (4), a sight for sore eyes sight1 (11), stick out like a sort thumb stick1) ~2 n a painful, often red, place on your body caused by a wound or infection  (They were starving and covered with sores.)  (- see also cold sore, bedsore)