The word "re-explain" means to explain something again in a different way or with more detail. There are several synonyms for this word, including clarify, elucidate, explicate, expound, and reiterate. Clarify means to make something clear or understandable, while elucidate means to shed light on a particular topic or issue. Explicate and expound both refer to explaining something in great detail, and reiterate means to repeat something for emphasis. These synonyms can be useful when trying to convey a message or idea more effectively, or when trying to ensure that someone fully understands a concept.