Reverse Dictionary: UNBIASED

ADJECTIVES
1588 — UNAFFECTIONATE unbiased; impartial → obs.
1595 — AFFECTIONLESS without bias, unbiased → obs.
1603 — FAIR-HANDED free of bias or preference; just, impartial, even-handed 

NOUNS
1859 — FAIR DO — FAIR DO’S unbiased or equitable treatment → UK colloq.