impregnabilityn.
/ɪmprɛɡnəˈbɪlɪti/ The quality or condition of being impregnable; incapacity of being taken or reduced by force. literal and figurative.
ΘΚΠ
the world > action or operation > safety > [noun] > safety or invulnerability > unassailability
impregnableness1610
inexpugnableness1727
impregnability1847
unassailableness1854
inexpugnability1864
unassailability1921
society > armed hostility > defence > defensive work(s) > [noun] > strength of fortification
strengthc1480
force1577
impregnableness1610
impregnability1847
1847 W. Smith tr. J. G. Fichte Characteristics Present Age 30 The supposed impregnability of the mode of thought which we have now described arises precisely in this way.
1861 H. S. Maine Anc. Law vi. 209 The new or Prætorian Testament derived the whole of its impregnability from the Jus Honorarium or Equity of Rome.
1865 Macmillan's Mag. Nov. 13 The castle profited by the road in accessibility, but its impregnability was so far lessened.
1879 G. H. Mendell & W. P. Craighill tr. A. H. de Jomini Art of War iii. 77 Believing in the impregnability of these [mountain] chains.
This entry has not yet been fully updated (first published 1899; most recently modified version published online March 2019).
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n.1847- conjugate deviation
- conjugate diameter
- conjugate focal distance
- conjugate foci
- conjugate foramen
- conjugate function
- conjugate hyperbolas
- conjugate lines
- conjugate mirrors
- conjugate planes
- conjugate point
- conjugate points
- conjugate radical
- conjugate solution
- conjugated
- conjugated protein
- conjugately
- conjugateness
- conjugatenesses
- conjugates
- conjugating
- conjugating-tube
- conjugatings
- conjugatingtube
- conjugation