a painful, often red, place on your body where there is a wound or an infection synonym wound1 open sores see also bedsore, canker sore, cold sore See related entries: Being ill Word Origin Old English sār (noun and adjective), sāre (adverb), of Germanic origin; related to Dutch zeer
‘sore’ and German sehr ‘very’.Extra examples I have a recurrent cold sore on my lip. The border dispute was a running sore in relations between the countries. The patient developed pressure sores on the toes of both feet. This issue is a festering sore between the two countries. canker sores caused by biting the inside of your mouth The illness left them with open sores all over their backs. The patient should be helped to change position every two hours, to stop pressure sores developing.