sub-rosa
- s designed and carried out secretly or confidentially
a sub-rosa report
- So when Dreyman decides to write a sub-rosa expos for a West German magazine, the spy is all ears.
- The manipulation of the manikins is made to suggest at one point a parallel to the sub-rosa and subauricular romance of the wife and her sweetheart.
- Ambassador-at-Large Norman Hezekiah Davis worried over rumors that behind the scenes the Japanese were getting somewhere in bi- lateral, sub-rosa dickering.