Related Clues:

• Slipped past
• Moved laterally
• Made sharper
• Advanced furtively
• Trimmed along the walk, e.g.
• Fringed
• Formed the border of
• Double-__
• Ending in a sharp point
• Proceeded with caution
• Advanced gradually
• Barely defeated, with 'out'
• Double- -- sword
• Perfected, as a skill
• Defeated, but barely