The crossword solution for the term 'make hard to figure out' is 'ENCODE, ' which is a six-letter word. Encoding is the process of transforming information into a form that is difficult to understand or decipher. It is often used to protect sensitive data from unauthorized access, as it makes it difficult for anyone without the key to decode the information. Encoding can also be used to make a message more secure when sending it over an unsecured network.