|ən+ adjective
1. : free from bias
2. : characterized by complete absence of prejudice, favoritism, undue or unwarranted preference, or personal interest : resolute in evenness and equality
unbiased by self-profit — Alfred Tennyson
a daughter's story of her father, startlingly honest and unbiased — English Journal
3. of a statistic : having an expected value equal to a population parameter being estimated
Synonyms: see fair