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Meaning of cretinize

cre•tin•ize

Pronunciation: (krēt'n-īz" or, esp. Brit., kret'-), [key]
— -ized, -iz•ing.
  1. to make or become cretinous; cause (a person) to be incapable of normal intelligence or sound judgment.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.