1. a person who commits perjury by lying under oath in a court of law
Usage: legal

Examples

• The witness was exposed as a perjurer when video evidence contradicted his testimony.
• She feared being labeled a perjurer if she changed her story on the stand.
• The judge sentenced the perjurer to six months in prison for lying under oath.
• Defense attorneys worked to prove that the key witness was a perjurer.
• His reputation was ruined after he was identified as a perjurer in the high-profile case.
• The perjurer’s false testimony nearly led to a wrongful conviction.