Related Clues:

• Recurring pain?
• Inveterate faultfinder
• Find fault with horse?
• Slug, e.g
• Do some henpecking
• Insecticide victim
• Subtle difference is admitted to be a bother
• Rundown horse
• Chronic critic
• It causes inconvenience or annoyance
• Be overly persistent
• Mosquito or gnat
• Constantly find fault
• Old gray mare, e.g
• Irking insect