1. large hunting dogs with an exceptional sense of smell, used especially for tracking people or animals
2. people who persistently search for or investigate something
Usage: figurative

Examples

• The police used bloodhounds to track the missing hiker through the forest.
• Bloodhounds can follow a scent trail that is several days old.
• The search and rescue team brought in bloodhounds to help locate survivors.
• These bloodhounds have been trained specifically for finding lost children.
• The reporters acted like bloodhounds, following every lead in the story.
• Financial bloodhounds investigated the company’s suspicious transactions.