perjure
verb (used with object)
to render (oneself ) guilty of swearing falsely or of willfully making a false statement under oath or solemn affirmation.
Used to describe an ongoing action or state that is currently taking place in the immediate present.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
You see," he said to Bill, as they walked back, "we know that Cayley is perjuring himself and risking himself over this business, and that must be for one of two reasons.
From The Red House Mystery by A. A. (Alan Alexander) Milne