swear

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swear

v. 1) to declare under oath that one will tell the truth (sometimes "the truth, the whole truth and nothing but the truth"). Failure to tell the truth, and do so knowingly, is the crime of perjury. 2) to administer an oath to a witness that he/she will tell the truth, which is done by a notary public, a court clerk, a court reporter, or anyone authorized by law to administer oaths. 3) to install into office by administering an oath. 4) to use profanity. (See: oath, perjury, notary public)

Copyright © 1981-2005 by Gerald N. Hill and Kathleen T. Hill. All Right reserved.

swear

to take an oath.
Collins Dictionary of Law © W.J. Stewart, 2006

TO SWEAR. To take an oath, judicially administered. Vide Affirmation; Oath.
     2. To swear also signifies to use such profane language as is forbidden by law. This is generally punished by statutory provisions in the several states.

A Law Dictionary, Adapted to the Constitution and Laws of the United States. By John Bouvier. Published 1856.
References in periodicals archive ?
English-speakers have sworn blind that when they have walked into a pub full of Welsh people chatting in English the language has changed to the native tongue in an instant.
Yet other politicians have stood before the world's media and sworn blind that black was white and got away with it.
Jockeys only ever go through the card on the day after you've sworn blind never to back them again.