1. In a surreptitious manner
   - surreptitiously, clandestinely

See also: sneaky

• bad sector
• bad temper
• bad weather
• bad-mannered
• bad-tempered
• Badaga
• badass
• baddeleyite
• baddie
• baddy
• Bade
• badge
• badger
• badger dog
• badger skunk
• Badger State
• badgerer
• badgering
• badinage
• badlands
• Badlands National Park
• badly
• badly-off
• badminton
• badminton court