The term 'close up shop' is a phrase used to describe the process of shutting down a business. The crossword solutions for this phrase are 'SHUTDOWN' (8 letters), 'SIESTA' (6 letters), 'deli' (4 letters) and 'OPEN' (4 letters). SHUTDOWN is an 8 letter word meaning to cease operations, while SIESTA is a 6 letter word meaning a period of rest or sleep during the day. Deli is a 4 letter word referring to a store that sells prepared foods, and OPEN is a 4 letter word meaning to begin operations.