Антонимом a biased

fair impartial unbiased disinterested equal equitable evenhanded neutral nonpartisan objective unprejudiced just honest dispassionate upright balanced honourable square ethical good indifferent honorable proper detached moral right decent impersonal candid nondiscriminatory uncolored reasonable uninvolved scrupulous unbigoted due independent conscientious rightful straight egalitarian aloof uncommitted justifiable sensible unswayed nonaligned uncoloured outside uninterested nondiscriminating proportionate unaffiliated even-handed non-partisan open-minded non-discriminatory on the level fair-minded anti-discrimination without fear or favour without favouritism with no axe to grind sitting on the fence above board on the fence free from discrimination on the up and up broad-minded tolerant liberal receptive cosmopolitan catholic open generous whole total bipartisan even justified multicultural flexible humanitarian unprepossessed farsighted experienced worldly charitable understanding lenient correct authorized uncorrupt appropriate lawful authorised suitable not bigoted not prejudiced happy nice freethinking permissive indulgent broad international national universal unrestricted world-wide all-embracing white real genuine clean truthful

humble latitudinarian undoctrinaire undogmatic open-minded flexible liberal amenable obedient submissive manageable tolerant receptive dispassionate broad-minded unbiased compliant unbigoted unprejudiced compromising

broad-minded liberal unconventional unorthodox flexible large-minded nonconservative nonconventional nonorthodox nontraditional open open-minded progressive tolerant receptive

accurate

optimistic unenvious charitable credulous ingenuous naive open-minded trusting unbiased clean fresh unprejudiced

moderate half-hearted relaxed liberal wishy-washy apathetic calm disinterested dispassionate happy indifferent lethargic lukewarm sane unenthusiastic unexcited well

disadvantageous

unpredictable

dissuaded disinclined discouraged indisposed deterred diverted put off hindered curbed impeded delayed inhibited suppressed withheld withholden interfered restrained disfavored opposed turned off shaken shook disadvised obstructed prevented kept back held back held off talked out of turned aside stopped mismanaged halted disfavoured

relucted disinclined opposed resisted contended with objected to refused to accept strove against striven against took issue with taken issue with

abidance abidances abide abideable abide by abided abhors abhorring abhorrently abhorrent abhorrences abhorrence