bias

Use the noun bias to mean a preference for one thing over another, especially an unfair one.

Some biases are completely innocent: "I have a bias toward French wines." But most often, bias is used to describe unfair prejudices: "The authorities investigated a case involving bias against Latinos." It is also a verb meaning "to show prejudice for or against," as in "They claimed the tests were biased against women." (In British English, it takes an extra S in the forms biassed and biassing.) The word goes back at least to Old Provençal, a former language of southern France, in association with the sport of lawn bowling, where it referred to the tendency of a ball to roll in one direction or the other.

Definitions of bias
  1. noun
    a partiality that prevents objective consideration of an issue or situation
    synonyms: preconception, prejudice
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    types:
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    taboo, tabu
    a prejudice (especially in Polynesia and other South Pacific islands) that prohibits the use or mention of something because of its sacred nature
    irrational hostility
    extreme prejudice
    experimenter bias
    (psychology) bias introduced by an experimenter whose expectations about the outcome of the experiment can be subtly communicated to the participants in the experiment
    homophobia
    prejudice against (fear or dislike of) homosexual people and homosexuality
    Islamophobia
    prejudice against Muslims
    racism
    the prejudice that members of one race are intrinsically superior to members of other races
    tendentiousness
    an intentional and controversial bias
    anti-Semitism, antisemitism
    the intense dislike for and prejudice against Jewish people
    white supremacy
    the prejudice that members of the white race are superior to members of other races
    type of:
    partiality, partisanship
    an inclination to favor one group or view or opinion over alternatives
  2. verb
    influence in an unfair way
    “you are biasing my choice by telling me yours”
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    types:
    handicap
    attempt to forecast the winner (especially in a horse race) and assign odds for or against a contestant
    type of:
    prejudice, prepossess
    influence (somebody's) opinion in advance
  3. verb
    cause to be biased
    synonyms: predetermine
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    types:
    angle, skew, slant, weight
    present with a bias
    type of:
    prejudice, prepossess
    influence (somebody's) opinion in advance
  4. noun
    a line or cut across a fabric that is not at right angles to a side of the fabric
    synonyms: diagonal
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    type of:
    straight line
    a line traced by a point traveling in a constant direction; a line of zero curvature
  5. adjective
    slanting diagonally across the grain of a fabric
    “a bias fold”
    Synonyms:
    oblique
    slanting or inclined in direction or course or position--neither parallel nor perpendicular nor right-angled
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