Definition

Adjective 1. Without bias; impartial: Not influenced by personal feelings, opinions, or prejudices; treating all sides fairly and equally. 2. Characterized by a lack of partiality: Free from favoritism or unfair preference.

Usage and Examples

• The research study was praised for its unbiassed methodology.
• A good judge must remain unbiassed throughout the trial.
• We need an unbiassed opinion from someone not involved in the dispute.
• The journalist strived to give an unbiassed account of the political event.

Advanced Usage

• "To remain unbiassed": To consciously maintain impartiality.
  • It is difficult to remain completely unbiassed when you have a personal connection to the issue.
• "An unbiassed observer/assessment": A neutral party or evaluation.
  • The report was compiled by an unbiassed third-party observer.

Variants and Related Words

• Unbiased: The more common spelling variant of "unbiassed." Both spellings are correct, with "unbiased" being prevalent in modern American English.
• Unbiasedness (noun): The quality or state of being unbiased.
• Bias (noun/verb): The opposite concept; a prejudice or inclination for or against something.

Synonyms

• Impartial
• Neutral
• Objective
• Disinterested
• Fair-minded
• Nonpartisan

Antonyms

• Biased
• Prejudiced
• Partial
• Subjective
• Partisan

Adjective

1. without bias
2. characterized by a lack of partiality
   • a properly indifferent jury
   • an unbiasgoted account of her family problems