Purple patch is a phrase that describes a period of time when someone is performing exceptionally well. However, there are several other phrases and expressions that can be used to convey the same meaning. One such synonym is "hot streak." It suggests that a person is on a roll and consistently achieving success in their endeavours. Another option is "golden period," which implies that a person is experiencing a time of good fortune or favourable outcomes. Additionally, the term "purple patch" can be swapped with "purple patch of form" or "purple patch of success," which both indicate a specific phase of high performance.