From Longman Dictionary of Contemporary Englishwean somebody off/from something phrasal verbSTOP something THAT IS HAPPENINGto make someone gradually stop doing something you disapprove of advice on how to wean yourself off nicotine → wean→ See Verb table
Examples from the Corpus
wean off/from • Amanda, of Stevenage, Herts, is now desperately trying to wean Cherie off.• I remember thinking that, and may have made a significant advance toward weaning myself away from childish ways and thoughts.• Cigarette filters are designed to trap some of the tar and nicotine enabling smokers to wean themselves off cigarettes gradually.• He tried hard to wean them away from crime by persuading them to learn a trade instead.• The truth is, I needed to wean myself off of boy blood.• Comforts and consolations may appear to wean us from the gifts to the Giver.• Kirk Fordice, it is a divinely inspired idea to wean families off welfare.• However, he may gradually wean himself off without any pushing from you. 