To render (a person) unaccustomed to something to which the person has been previously accustomed; cause to break a habit.(verb-transitive)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "disaccustom" in a sentence
"They see the peasant smiles very little, and altogether is not very kindly disposed and wants to disaccustom himself to the authorities."
"Do you know what to advise to my friend - to disaccustom to alc ... ""