When it comes to expressing the idea of "not fully," there are several synonyms that can be used. Some common options include "incomplete," "partially," "unfinished," "imperfect," and "inadequate." These words can be used to describe something that is not completely realized, such as a project or a plan that is still being developed. They can also be used to describe a situation or experience that is not as fulfilling or satisfying as one might hope. Regardless of the context, using synonyms for "not fully" can help to convey a nuance or shade of meaning that might otherwise be missed.