There are several synonyms for the word "whiffers" including sniffers, snuffers, snufflers and scenters. These words all generally refer to someone or something that detects or identifies scents. Sniffers are often used in reference to animals such as dogs that have a keen sense of smell and are often used for tracking. Snuffers can be used to describe people who are particularly sensitive to smells or are adept at removing unpleasant odors. Scenters can refer to a device used to emit a particular fragrance, as well as individuals who work in the fragrance industry. Whatever the circumstance, each of these terms describes an important aspect of the sense of smell.