"Postdoctoral" is a word that refers to an academic position held by someone pursuing research or teaching after completing their PhD. Some synonyms for "postdoctoral" include "research fellow," "research associate," "visiting professor," "postdoc," and "researcher." Each of these terms describes someone who has obtained a PhD and is either continuing their research or teaching in a field of study. These roles typically require a high level of expertise and may involve working with a mentor or supervisor on a specific project. Whatever the title, those who hold these positions are highly valued in their fields for their contributions to academic research and teaching.