insolublenessn.
/ɪnˈsɒljuːb(ə)lnɪs/ The quality or state of being insoluble.
ΘΚΠ
the mind > attention and judgement > testing > resolving of problem, solution > [noun] > quality of being solvable > lack of
insolubleness1672
insolvableness1727
insolvabilitya1834
insolubility1837
unsolvability1947
1672 R. Boyle Hydrostatical Disc. ii. v. 124 in Tracts I shall return to Doctor More, and consider the objection, he frames from the supposed insolubleness of it.
1886 Cent. Mag. 32 895 In spite of their perhaps necessary insolubleness.
1890 Spectator 15 May The new questions that arise..have in them an apparent quality of insolubleness.
This entry has not yet been fully updated (first published 1900; most recently modified version published online March 2018).
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n.1672