TBC is an acronym used to denote an uncertain or incomplete information. It is commonly used in phrases like "to be confirmed" or "to be continued." However, there are several synonyms for TBC that you could use to convey the same meaning. "To be announced," "to be determined," "pending," "up in the air," "unsettled," and "in limbo" are all suitable replacements for TBC. Each of these synonyms offers a slightly different nuance, making it important to choose the right one depending on the context. Regardless of which synonym you choose, they all essentially mean the same thing as TBC: the decision or information has yet to be made.