having or showing bias or prejudice: They gave us a biased report on immigration trends.
Also especially British, bi·assed.
Origin of biased
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
1610s in reference to bowling, 1660s in reference to persons; past participle adjective from bias (v.).
Online Etymology Dictionary, © 2010 Douglas Harper