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

See also: furtive

Encyclopedia: Furtively

• Hyoscyamus
• Hyoscyamus muticus
• Hyoscyamus niger
• hyp
• hypaethral
• hypallage
• hypanthium
• Hypatia
• hype
• hype up
• Hypentelium
• Hypentelium nigricans
• hyper
• hyper-eutectoid steel
• hyperacidity
• hyperactive
• hyperactivity
• hyperacusia
• hyperacusis
• hyperadrenalism
• hyperadrenocorticism
• hyperaemia
• hyperaemic
• hyperaesthesia
• hyperaldosteronism