Definition of 'impregnable'
Example sentences containing 'impregnable'
Times, Sunday Times (2011)
He smiled a little as one who feels his position to be impregnable and rather enjoys the prospect of countering a useless attack.The Complete Stories Volume 2 (1995) Christianity Today (2000) Red Coats and Rebels - the war for America 1770-1781 (1990)
The point of the Berlin is to trade queens at an early stage, but set up a virtually impregnable defensive line.Times, Sunday Times (2011)
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Definition of impregnable from the Collins English Dictionary