biased

(verb) influence in an unfair way. Synonyms: bias. Example: "You are biasing my choice by telling me yours."

(verb) cause to be biased. Synonyms: bias, predetermine.

(adj) favoring one person or side over another. Synonyms: colored, coloured, one-sided, slanted. Examples: "A biased account of the trial." "A decision that was partial to the defendant."