Basic Guidelines For English Spellings
Impregnable.‘It evinces an overdiminished but nevertheless inexpugnable desire for moral as well as ethical rectitude.’
- ‘I mean the inexpugnable belief that every detailed occurrence can be correlated with its antecedents in a perfectly definite manner exemplifying general principles.’
- ‘The city is fortified with 150 very strong towers, covered over with ceilings from the upper stories of the buildings in its streets like a crypt, and in a measure inexpugnable.’
Late Middle English via Old French from Latin inexpugnabilis, from in- ‘not’ + expugnabilis ‘able to be taken by assault’.
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