perjury
lying under oath
Root
- jur / jus: law, oath, or sworn duty
Other words with the jur / jus root
- abjure: to renounce formally
- adjure: to urge solemnly or command under oath
- conjure: to summon, call up, or bring to mind
- judge: to decide after considering evidence
- judicious: showing sound judgment, wisdom, or good sense
- juridical: relating to law or legal proceedings
- jurisdiction: official legal authority over an area or case
- jurisprudence: the theory or philosophy of law
Jur gives the oath; perjury breaks it by lying while sworn.
The witness faced perjury charges after the video contradicted his testimony.
Perjury is not just lying. It is lying inside the law, after an oath has created a formal duty to tell the truth.