Perjurers are individuals who have lied under oath or given false testimony in a legal proceeding. Some synonyms for this term include: 1. False witnesses 2. Liars 3. Deceivers 4. Swindlers 5. Con artists 6. Frauds 7. Fibbers 8. Fabricators 9. Misrepresenters 10. Perfidious individuals These synonyms all point to the dishonest and unethical behavior of someone who has sworn to tell the truth in a legal setting but has instead chosen to deceive and mislead. Perjurers can be seen as a threat to the justice system and are often punished for their actions.