Related Clues:

• Inched
• Inched along
• Made slow progress
• Moved stealthily
• Moved furtively
• Approached stealthily
• Crawled
• Pussyfooted
• Moved slowly
• Proceeded slowly, as traffic
• Went on all fours, e.g.
• Emulated a worm
• Moved sneakily
• Moved like some reptiles
• Crawled cautiously