IPA: //ˈpɜːrdʒər//
KK: /ˈpɜrʤər/
To make oneself guilty of lying under oath, especially in a legal setting.
He was accused of trying to perjure himself during the trial.
Past: perjured
Past Participle: perjured
Perjure → It is formed from "per-" (meaning through or completely) and "jurare" (meaning to swear). The word "perjure" means to completely swear falsely or to lie under oath.
Think of someone swearing ('jurare') completely ('per-') falsely — that's why perjure means to lie under oath.