Prejudice

A preconceived opinion or judgement, or a prejudgement or attitude formed without adequate consideration of relevant evidence or on the basis of insufficient information, a preconception.

Prejudicial language

Language used in such a way as to attempt to bias the information consumer against an opponent’s position (and in favour of the advocate’s position) without providing evidence against the opponent’s position (or for the advocate’s position).

(see also: Stereotyping, reasoning»rhetoric, argument, propaganda)