When it comes to synonyms for the phrase "study at intensify," there are several options that can be used. For example, the word "cram" could be used to describe a situation where one is studying intensively for an exam or test, while the word "deepen" could be used to describe a situation where one is studying a particular subject in great detail or with great intensity. Other synonyms for "study at intensify" could include "focus," "concentrate," and "immerse oneself," all of which suggest a level of intensity and focus when it comes to studying a particular subject or topic. Ultimately, the choice of synonym will depend on the context in which it is being used and the specific meaning that the author is trying to convey.