Definition of sniff out

The origin of the phrase "sniff out" can be traced back to the hunting behavior of dogs. In the world of hunting, dogs are trained to use their powerful sense of smell to detect the presence of game animals, even when they are hidden or camouflaged. When a dog hunts, it might sniff and paw at the ground, trying to catch the scent of its prey. This behavior has led to the phrase "sniff out," which means to find or locate something, usually by using one's sense of smell or other senses, in much the same way that a hunting dog would search for a game animal. The phrase "sniff out" typically implies a methodical search and a thorough investigation, much like the way a bloodhound would track down a fugitive. The phrase has became a common English expression, referring not just to hunting, but also to general detective work, research, and investigation. Takeaway: The origin of "sniff out" is closely connected to the unique abilities of dogs as scent hunters. The use of this phrase in modern English demonstrates the enduring legacy of traditional hunting practices, as well as the importance of scent as a detection tool in many important functions, including law enforcement and search and rescue operations.