The word "prejudicial" means harmful or detrimental. It refers to something that causes damage or disadvantage to someone or something. Full definition
Kelly v Hussain -LSB-[2008] EWHC 1117 (Ch)- Company Law (Conduct; directors; Dismissal; Exclusion; Petitions; Shareholders; Unfairly prejudicial conduct) (st-philipsstone.com)
As such, strict application of the Table amounts, without consideration of intervening financial circumstances of both parents, can become a highly prejudicial application of the law. (hhlaw.ca)
As recorded in the AKC Gazette, February 2010 issue: «The AKC's Management Disciplinary Committee has suspended the following individuals from all AKC privileges for ten years, effective January 11, 2010, and imposed a $ 2,000 fine for conduct prejudicial to purebred dogs, purebred dog events, or to the best interests of the American Kennel Club based on their violation of the AKC's Cruelty Conviction Policy: Ms. Kathy Jo Bauck A.K.A.. (animalfolksmn.org)