polygraphnoun [ C ]
uk/ˈpɒl.i.ɡrɑːf/us/ˈpɑː.li.ɡræf/a piece of electronic equipment used to try to discover if someone is telling lies
Synonym
lie detector
Thesaurus: synonyms and related words
Detection & solving crimes
- all-points bulletin
- APB
- breath test
- breathalyse
- Breathalyser
- fingerprint
- frisk
- genetic fingerprinting
- identity parade
- informant
- lie detector
- manhunt
- mugshot
- neighbourhood watch
- RBT
- reconstruction
- reward
- rogues' gallery
- sleuth
- videofit
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You can also find related words, phrases, and synonyms in the topics:
Lies, lying & hypocrisy