The crossword solution for the term NOT LET GO OF is BELABOR, which means to discuss or explain something at length. It is often used in a negative context, such as when someone is belaboring a point or subject beyond what is necessary or appropriate. Belaboring can also refer to continuing to do something for too long, such as working on a task or project beyond what is necessary. In this context, it could be said that the term NOT LET GO OF is synonymous with BELABOR.