The term 'close down' is often used to describe the process of shutting a business or organization. The crossword solutions for this term are SHUT (4 letters), SEAL (4 letters), NEAR (4 letters), END (3 letters), FAIL (4 letters), and GOOUTOFBUSINESS (15 letters). These words all describe the process of closing down a business, from shutting it down, to sealing it off, to ending its operations, to failing in its mission, and finally to going out of business.