Definition of cautious. : careful about avoiding danger or risk cautious investors cautious optimism.
37 CFR 5.2 Secrecy order. ( 1 a) When notified by the chief officer of a defense agency that publication or disclosure of the invention by the granting of a patent would be detrimental to the national security, an order that the invention be kept secret will be issued by the Commissioner for Patents.
U.S. soldier at camp during World War II. Secrecy (also called clandestinity or furtiveness) is the practice of hiding information from certain individuals or groups who do not have the need to know, perhaps while sharing it with other individuals. That which is kept hidden is known as the secret.