Greek-English translations for λαθραίος

• clandestine
  clandestine military operations
• furtive
• illegal
  This is illegal, you know!
  Nearly 40 million people live in UK areas with illegal air pollution
  their illegal mining operations in Asia, Africa and elsewhere, are protected by officials and police paid to look the other way – and powerful customers in the construction industry who prefer not to ask too many questions
• underground
  There is an underground tunnel that takes you across the river
  These criminals operate through an underground network
  underground music