Synonyms for
Polygraph
Definition
Polygraph is a noun that refers to a machine used to detect and record changes in a person's physiological responses, such as blood pressure, pulse rate, and respiration, while they answer a series of questions.
Synonyms & similar words
Example sentences
- The police used a polygraph to determine if the suspect was lying.
- He was nervous about taking the polygraph test.
- The polygraph measures changes in your body while you answer questions.
- I don't believe in the accuracy of polygraphs.
- The polygraph can be used as a tool in criminal investigations.