The "adulterine" castles were destroyed, not quite so rapidly as Henry desired, but still with some energy.    From Wordnik.com.  [The History of England from the Norman Conquest to the Death of John (1066-1216)] Reference

He sent Stephen's mercenaries over the sea and completed the destruction of the 'adulterine castles.'.    From Wordnik.com.  [A Student's History of England, v. 1 (of 3) From the earliest times to the Death of King Edward VII] Reference

Certainly there are Carolingian cases of rebels 'castles being demolished, but these aren't adulterine castles in the later English sense, these are just castles that were in the wrong hands.    From Wordnik.com.  [A Corner of Tenth-Century Europe] Reference

Sometimes we find a mound which seems to proclaim its position, but memory is silent, and the people of England, if the story of the chronicler be true, have to be grateful to Henry II, who set himself to work to root up and destroy very many of these adulterine castles which were the abodes of tyranny and oppression.    From Wordnik.com.  [Vanishing England] Reference

Upon paying a fine to the king, the charter seems generally to have been readily granted; and when any particular class of artificers or traders thought proper to act as a corporation without a charter, such adulterine guilds, as they were called, were not always disfranchised upon that account, but obliged to fine annually to the king for permission to exercise their usurped privileges.    From Wordnik.com.  [X. Book I. Of Wages and Profit in the Different Employments of Labour and Stock] Reference

"I know," said Hereward, "that the French look on us English monk-made knights as spurious and adulterine, unworthy of the name of knight.    From Wordnik.com.  [Hereward, the Last of the English] Reference

Castles; royal; adulterine.    From Wordnik.com.  [The History of England From the Accession of Henry III. to the Death of Edward III. (1216-1377)] Reference

Not genuine i counterfeit -, adulterine.    From Wordnik.com.  [A dictionary of the English language. Abstracted from the folio ed., by the author. To which is ...] Reference