Hypertensive urgency refers to a sudden and severe increase in blood pressure that requires immediate medical attention. There are several synonyms for this condition that are commonly used in medical literature and practice. These include hypertensive crisis, severe hypertension, malignant hypertension, and hypertensive emergency. While these terms are often used interchangeably, there are subtle differences in their meanings and implications for treatment. Hypertensive urgency typically refers to a less severe form of hypertension that can be managed with medication and lifestyle changes. In contrast, hypertensive crisis and emergency denote more serious conditions that require urgent medical intervention to prevent organ damage and other complications.