Imperial measure is a system of measurement used in the United Kingdom and other Commonwealth countries. It includes units such as inches, feet, ounces, pounds, and gallons. However, there are various synonyms for this term which can be used interchangeably. Some of the synonyms for imperial measure include British system, English system, customary system, and traditional system. These terms refer to units of measurement that are used in the United States and other countries as well. The common characteristic of these systems is that they are based on historical units of measure that were widely used in the past. Overall, whether you use imperial measure or one of its synonyms, it is important to have a clear understanding of measurement systems in order to make accurate conversions.