Related Clues:

• Go 'pfffft'
• Green fence
• Maze wall, sometimes
• Kind of clippers
• Landscaping element
• Give a noncommittal answer
• Flea market booth
• Topiary canvas, maybe
• Stable section
• Suddenly stop, as an engine
• Property border, perhaps
• Try to delay
• Conk out, as an engine
• Use delay tactics
• Show indecision