- 2Signification: undergroundclandestine secretly privately covertlyfurtively secret undercover
- 3Signification: surreptitiouslybehind one's back secretly falsely
- 4Signification: privatelyintimately personally quietly secretly
- 5Signification: undercoverclandestine secretly privately covertlyfurtively secret underground
- 6Signification: in confidenceprivately secretly personally confidentially