When it comes to synonyms for the phrase "study at enormous," there are several options available. Some alternatives could include "pore over extensively," "absorb in great detail," "analyze closely," or "review thoroughly." Other possibilities might be "examine intently," "scrutinize extensively," or "delve deeply into." Each of these phrases captures a similar sense of spending a significant amount of time and effort studying or exploring a subject matter. Whether it involves poring over research materials, analyzing complex data sets, or reviewing historical information, these synonyms all convey the idea of undertaking a deep dive into a particular topic.