na-adjective, noun which may take the genitive case particle 'no', noun
impartiality; fairness; fair play
A yojijukugo meaning complete impartiality without personal bias. Often used in formal or ethical contexts.
裁判官は公平無私な判断を下さなければならない。
A judge must make an impartial decision.
Solve the problem with a spirit of fairness.