There are several synonyms for the phrase "most high style," each denoting a level of sophistication, elegance, and grandeur. One such synonym is "imperial style," which evokes the regal and commanding qualities of a monarch. Another synonym is "sumptuous style," which suggests opulence and luxury. "Grandiose style" connotes extravagance and grandeur on a massive scale, while "majestic style" implies the awe-inspiring qualities of a majestic landscape or structure. "Elevated style" suggests a refinement and sophistication above the ordinary, while "ornate style" implies a level of embellishment and decoration that elevates what would be otherwise ordinary to a state of artful opulence.