Formed (as an opinion) prior to knowledge or examination of the case; preconceived.
Late 16th century (in an earlier sense). From classical Latin praeiūdicātus formed as an opinion in advance, use as adjective of past participle of praeiūdicāre.
with object To judge beforehand; to form a prior opinion of, especially hastily or rashly; to condemn in advance. Compare "prejudge".
Mid 16th century (in an earlier sense). From classical Latin praeiūdicāt-, past participial stem of praeiūdicāre to judge beforehand, give a preliminary judgement, to form an opinion in advance, to be prejudicial to, in post-classical Latin also to harm from prae- + iūdicāre. Compare prejudicate.