Definition of "bastardize"

bastardize

/ˈbæstɚdaɪz/

verb
third-person singular simple present bastardizes, present participle bastardizing, simple past and past participle bastardized
1. To claim or demonstrate that someone is a bastard, or illegitimate.
  Quotations
  Our law is so indulgent as not to bastardize the child, if it be born, though not begotten, in lawful wedlock.
  1765–1769, William Blackstone, Commentaries on the Laws of England, (please specify |book=I to IV), Oxford, Oxfordshire: […] Clarendon Press
2. To reduce from a higher to a lower state, such as by removing refined elements or introducing debased elements; to debase.
  Quotations
  The third potential audience is the general public at large, who either never has read any of Tolkien’s books or perhaps read The Lord of the Rings and/or The Hobbit long ago, but whose knowledge about Tolkien’s created secondary universe comes, if at all, mostly from seeing Peter Jackson’s bastardized adaptations of The Lord of the Rings and/or The Hobbit.
  2017, Douglas Charles Kane, Beren and Lúthien (2017) by J.R.R. Tolkien, edited by Christopher Tolkien, in Journal of Tolkien Research, Volume 4, Issue 2, Article 5
3. To beget out of wedlock.
  Quotations
  I should / have been that I am, had the maidenliest star in the / firmament twinkled on my bastardizing.
  c. 1603–1606, William Shakespeare, King Lear, act 1, scene 2, lines 130–132