Related Clues:

• Roams
• Wanders
• Alley cats
• Moves away from the flock
• Deviates
• Goes off course
• Homeless hounds, e.g.
• Wanders off
• Doesn't keep to the straight and narrow
• Leaves the path
• Alley cats, perhaps
• Doesn't follow the party line
• Loses one's way
• Errs
• Doesn't stick to the straight and narrow