Cloak-and-dagger and Sub rosa

Cloak-and-dagger adjective - Conducted with or marked by hidden aims or methods.

Sub rosa and cloak-and-dagger are semantically related in show topic. In some cases you can use "Sub rosa" instead an adjective phrase "Cloak-and-dagger".

Sub rosa adverb - In secret or covertly.

Cloak-and-dagger and sub rosa are semantically related in show topic. Sometimes you can use "Cloak-and-dagger" instead an adjective phrase "Sub rosa".