bias - definition and synonyms

verb [transitive] [usually passive] 

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present tense
he/she/itbiases or biasses
present participlebiasing or biassing
past tensebiased or biassed
past participlebiased or biassed
  1. to influence someone’s opinions, decisions etc so that they behave or think in an unfair way

    Witnesses may forget details or may be biased by reports in the media.

    1. a.
      to make something have a special interest or tendency, often in an unfair way