the GNU version of the Collaborative International Dictionary of English
adj. Free from bias or prejudice; unprejudiced; impartial.
The Century Dictionary and Cyclopedia
Free from bias, undue partiality, or prejudice; impartial: as, an unbiased mind; an unbiased opinion or decision.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. characterized by a lack of partiality
adj. without bias
Word Usage
"The Marine commander, offering what he called his unbiased opinion in the best interests of the service, explained in considerable detail why he thought the assignment of Negroes would jeopardize the fire-fighting ability of the ammunition depot."