unconcernment en · NOUN
Etymology
From un- + concern + -ment.
Meanings
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(obsolete, uncountable) Lack of concern; unconcern.
It is he alone who can look Death and Danger in the Face with a rational Unconcernment
1692–1717, Robert South, Twelve Sermons Preached upon Several Occasions, volume (please specify |volume=I to VI), London: