prej·u·di·cial /ˌpre-jə-'di-shəl/ adj: having the effect of prejudice: as
a: tending to injure or impair rights
such a transfer would be prejudicial to other creditors
b: leading to a decision or judgment on an improper basis
the evidence was excluded because it was more prejudicial than probative
Merriam-Webster’s Dictionary of Law. Merriam-Webster. 1996.