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
Ejiroghene	-	Western African, Urhobo
Radomil	-	Czech, Medieval Slavic
Abram (2)	-	Russian, Georgian
Oleksiy	-	Ukrainian
Hamza	-	Arabic
Anthea	[æn'ðiə]