Synonyms:
dispassionate, cold-eyed
Meaning: unaffected by strong emotion or prejudice; "a journalist should be a dispassionate reporter of fact"
Usage examples
If so, it would be a chase worth following--a diversion rendered the more exquisite to Lanyard by the spice of novelty, since for once he would figure as a dispassionate bystander.
Amongst the litter little sapphire-coloured finches were feeding, twittering merrily to themselves as they hopped about, and here and there down the long tables lay asprawl a belated reveller, his empty oblivion-phial before him, his curly head upon his arms, dreaming perhaps of last night's feast and a neglected bride dozing dispassionate in some distant chamber.