polygraph

noun/ˈpɒlɪɡræf/

Frequency rank: #16,053 of 20,003 in the WORDED list (wordfreq data)

Meaning

An instrument that records physiological changes such as blood pressure and breathing, often used to detect lies.

Illustration for the English word “polygraph”

Example sentence

The suspect was asked to take a routine polygraph test to verify his alibi.

Synonyms & related words

More words in ranks 16,001–16,100