par·tial·i·ty 
/ˌpɑɚʃiˈæləti/ noun
/ˌpɑɚʃiˈæləti/ noun formal 1 [noncount] : an unfair tendency to treat one person, group, or thing better than another
▪ Judges must not show partiality [=bias] during the competition. 2 [singular] : a tendency to like something or someone — often + to ▪ I don't understand his partiality to modern art. [=I don't understand why he likes modern art] — often + for ▪ She has a partiality for tall men with dark hair.
▪ Judges must not show partiality [=bias] during the competition.
