detachment
n. uncountable B2 Upper Intermediate US //diˈtætʃmənt// UK //dɪtˈætʃmənt// de·tach·ment
n. the state of being emotionally separate or not involved. You use this when someone stays calm because they do not care too much about the outcome.
n. the quality of being emotionally distant or uninvolved; the act of separating oneself from a group or cause. Often implies a deliberate effort to remain objective or calm.
He showed great detachment during the crisis.
Her professional detachment allowed her to make fair decisions without letting personal feelings interfere.
The philosopher argued that true detachment is not indifference, but a clear-eyed acceptance of reality without the burden of emotional attachment.
From French détachement. By surface analysis, detach + -ment.