Polygraphists are professionals who administer polygraph tests, also known as lie detector tests. Some synonyms for polygraphist include polygraph examiner, lie detector operator, deception analyst, forensic psychophysiologist, and truth verification expert. The task of a polygraphist is to gather information, analyze body responses and determine whether an individual is telling the truth or lying. Polygraphists often work for law enforcement agencies, government organizations, or private companies. They must have excellent communication and analytical skills to be effective in their job. Overall, the synonyms for polygraphist emphasize the critical role they play in helping organizations identify when individuals are not truthful and ensure public safety.