"Black and blue" is a phrase used to describe a bruise or injury. However, there are many synonyms that can be used to describe these types of injuries. Some examples include "ecchymotic," "contusion," "hematoma," and "trauma." Other synonyms that can be used to describe a bruise might include "discolored," "swollen," "sore," "aching," or "painful." It's important to note that the severity and appearance of a bruise can vary widely, from a light, barely visible mark to a deep, dark, painful injury. No matter which term you choose to use, it's important to seek medical attention if you suspect you may have a serious injury.