The term UPRIGHT POST can be solved by two crossword solutions: STANCHION (9 letters) and GIBBET (6 letters). A stanchion is a vertical post or support, typically made of metal, used to provide stability or structure. It is commonly used in construction, engineering, and architecture. A GIBBET is a gallows-type structure used for public executions, typically consisting of an upright post with a crossbeam from which the condemned person is hanged.