Professioneller
Professioneller is a German term that appears in two main senses. As the comparative form of the adjective professionell, it means more professional and is used to compare levels of quality, skill, or conduct in actions, services, or presentations. For example, “Die neue Präsentation war professioneller als die alte.” In this usage, it functions as an ordinary adjective and follows standard German grammar.
As a noun, the form is rare and less common in everyday language. Native speakers more often
Etymology and nuance: the word derives from the adjective professionell, which itself relates to a profession
In usage, prefer the adjective form when making comparisons. If you need a noun meaning “a professional,”