1. The criminal offense under the common law, and by the statutes of many jurisdictions, of obstructing the administration and due court of justice. 39 Am J1st Obst J § 1. 
1. The crime of impeding or hindering the administration of justice in any way. EXAMPLES: intimidating a witness; bribing a juror. See obstructing process.
1. The crime of impeding or interfering with service of process. EXAMPLE: deliberately misleading a process server with the respect to the whereabouts of a person she is attempting to serve or the location of property upon which she is attempting to levy. 
obstruction of justice:
1. Interference with the orderly administration of law and justice, as by giving false information to or withholding evidence from a police officer or prosecutor, or by harming or intimidating a witness or juror. * Obstruction of justice is a crime in most jurisdictions. — aka obstructing justice; obstructing public justice. 
Excerpt from Rollin M. Perkins & Ronald N. Boyce’s Criminal Law (3d ed. 1982):
“The goal, — to proscribe every willful act of corruption, intimidation or force which tends in any way to distort or impede the administration of law either civil or criminal — has been very largely attained, partly by aid of legislation. And any punishable misdeed of such a nature which is not recognized as a distinct crime, is usually called ‘obstruction of justice,’ or ‘obstructing justice,’ — a common-law misdemeanor.” 
perverting the course of justice:
1. English law. The skewing of the disposition of legal proceedings, as by fabricating or destroying evidence, witness-tampering, or threatening or intimidating a judge. — aka interfering with the administration of justice; obstructing the administration of justice; obstructing the course of justice; obstructing justice; obstructing public justice; defeating the due course of justice; defeating the ends of justice; attempting to pervert the course of justice. 
Disclaimer: All material throughout this website is compiled in accordance with Fair Use.
: Ballantine’s Law Dictionary with Pronunciations
Third Edition by James A. Ballantine (James Arthur 1871-1949). Edited by William S. Anderson. © 1969 by THE LAWYER’S CO-OPERATIVE PUBLISHING COMPANY. Library of Congress Catalog Card No. 68-30931
: Black’s Law Dictionary Deluxe Tenth Edition by Henry Campbell Black & Editor in Chief Bryan A. Garner. ISBN: 978-0-314-62130-6
: Rollin M. Perkins & Ronald N. Boyce, Criminal Law 552 (3d ed. 1982)
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