The Collaborative International Dictionary
Exacting \Ex*act"ing\, a.
Oppressive or unreasonably severe in making demands or
requiring the exact fulfillment of obligations; harsh;
severe. ``A temper so exacting.''
--T. Arnold --
Ex*act"ing*ly, adv. -- Ex*act"ing*ness, n.
Wiktionary
n. The state of being exacting.
Usage examples of "exactingness".
I who, owing to my boundless vanity, and hence also my exactingness towards myself, very often looked upon myself with furious dissatisfaction, reaching the point of loathing, and therefore mentally attributed my view to everyone else.
A developed and decent man cannot be vain without a boundless exactingness towards himself and without despising himself at moments to the point of hatred.
She was oppressed by ennui, and by that dissatisfaction which in women's minds is continually turning into a trivial jealousy, referring to no real claims, springing from no deeper passion than the vague exactingness of egoism, and yet capable of impelling action as well as speech.