Imperceptive and Sub-rosa

Imperceptive adjective - Not having or showing a deep understanding of something.

Sub-rosa and imperceptive are semantically related. In some cases you can use "Sub-rosa" instead an adjective "Imperceptive".

Sub-rosa adjective - Designed and carried out secretly or confidentially.

Imperceptive and sub-rosa are semantically related. Sometimes you can use "Imperceptive" instead an adjective phrase "Sub-rosa".