go underground

in. to go into hiding; to begin to operate in secret. The entire operation went underground, and we heard no more about it.

Name	Pronounced	Usage
Lot (2)	-	Arthurian Romance
Tomi	TO-mee (Finnish)	Finnish, Hungarian, Welsh
Corona	-	Late Roman, Italian, Spanish
Ramsey	RAM-zee	English
Ananda	-	Tamil
Phillips	['filips]