1. In a furtive manner
   "the soldiers were furtively crawling through the night"
   - on the sly

See also: furtive

Encyclopedia: Furtively

• growth ring
• growth stock
• growth-onset diabetes
• groyne
• Grozny
• Groznyy
• grub
• grub out
• Grub Street
• grub up
• grubber
• grubbily
• grubbiness
• grubby
• grubstake
• grudge
• grudging
• grudgingly
• gruel
• grueling
• gruelingly
• gruelling
• gruellingly
• gruesome
• gruesomely