The crossword solution for the term REMAIN TBD is PEND, which is a four-letter word. PEND is a verb meaning to be in a state of suspense or uncertainty, or to be undecided or unresolved. It is often used in legal contexts to refer to a case that has not yet been decided or resolved. In this context, REMAIN TBD can be interpreted as meaning that the outcome of the situation is still uncertain and unresolved.