Main entry: impartial, unprejudiced
Definition: free from undue bias or preconceived opinions
Usage: an unprejudiced appraisal of the pros and cons; the impartial eye of a scientist
Antonyms: discriminatory, prejudiced
Definition: being biased or having a belief or attitude formed beforehand
Main entry: impartial
Definition: showing lack of favoritism
Usage: the cold neutrality of an impartial judge
Antonyms: partial
Definition: showing favoritism