Possible Clues:

• Walks falteringly
• Is in danger of falling for accountants?
• Animal living in hollow trees moves unsteadily
• Lurches
• First of the swimmers moves unsteadily
• Walks unsteadily, beginning to track river creatures
• Pre-rest, naughty child moves unsteadily
• Is precariously placed
• Unfortunately stretto is wobbly
• Swimmers on near edge of treacherous rocks