improficiencyn.
Now rare.
Lack of proficiency; unskilfulness, backwardness.
ΘΚΠ
the world > action or operation > ability > inability > unskilfulness > [noun] > lack of proficiency
non-proficiency1593
improficience1605
improficiency1647
non-proficiencea1711
1647 R. Boyle Let. 20 Feb. in Wks. (1772) I. p. xxxv The excellency of the Ministry, since waited on by such an improficiency, increases my presaging fears.
1661 O. Felltham Resolves (rev. ed.) 272 The least neglect does steal us into improficiency and offence.
1675 O. Walker Paraphr. Epist. St. Paul 21 Gently taxing their negligence and inproficiency.
1897 Outing 30 354/1 Knowing my own improficiency, I almost feared to tempt the giant game.
This entry has not yet been fully updated (first published 1899; most recently modified version published online December 2020).
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n.1647