ˈprobingnessn.rare the state or condition of being probing; an instance of this.
ΘΚΠ
the mind > emotion > suffering > mental anguish or torment > [noun] > a pang > quality of
probingness1800
1800 W. Taylor in Monthly Mag.10 320 There is often a tenderness yet a probingness in the pathos.
1986 Jrnl. Aesthetics & Art Crit.44 399/2 It is arguments of this kind about the necessary expressiveness, or probingness into obscurity, of human life as a whole.