Relating to or characterized by the use of cryptonyms; having the nature of a secret or code name.
From 'cryptonym' + '-ic' (relating to). This adjective describes anything involving hidden names or secret designations, particularly in classified operations.
A cryptonymic operation is when the government won't even tell you what it's doing—your spy mission doesn't have a real name, just a mysterious code, making it invisible even in official records!
Complete word intelligence in one call. Free tier — 50 lookups/day.