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.
A secret society is a club or an organization whose activities, events, inner functioning, or membership are concealed from non-members. The society may or may not attempt to conceal its existence. The term usually excludes covert groups, such as intelligence agencies or guerrilla insurgencies, that hide their activities and memberships but maintain a public presence. The exact qualifications for labeling a group as a secret society are disputed, but definitions generally rely on the degree to w