: relating to or showing actions or behavior in which people or governments try to protect their important secrets or try to learn the secrets of others
: dealing in or suggestive of melodramatic intrigue and action usually involving secret agents and espionage <a cloak–and–dagger novel>
— cloak–and–dagger noun
First Known Use of CLOAK-AND-DAGGER
Seen & Heard
What made you want to look up cloak-and-dagger? Please tell us where you read or heard it (including the quote, if possible).