1. to remain neutral and fair, without favoring one side over another; to judge or act without prejudice
A good journalist must be unbiased when reporting the news.
Um bom jornalista deve ser imparcial ao relatar as notícias.
2. to not be influenced by personal feelings, opinions, or preferences
The referee should be unbiased in making decisions during the game.
O árbitro deve ser imparcial ao tomar decisões durante o jogo.