wean (away) from (something)
1. To accustom a baby or an infant mammal to stop relying solely on its mother's milk so as to take nourishment from some other source of food. In this usage, a noun or pronoun is used between "wean" and "(away) from." Doctors currently don't recommend weaning babies away from breastmilk before they are six months old. Some seal pups are weaned from their mothers' teat after only two weeks.
2. To slowly or gradually stop doing, ingesting, or consuming something to which one has developed a strong habit or dependency. I'm trying to wean away from so many fatty foods and start eating more fruits and vegetables. Some people are able to wean from smoking gradually, while other people find it better to stop completely all at once.
3. To force or accustom someone to the gradual withdrawal from some action or thing to which they have developed a strong habit or dependency. In this usage, a noun or pronoun is used between "wean" and "(away) from." I want to start weaning the kids away from TV and video games on the weekends and get them to read or play outside more. The medication helps wean patients off alcohol by simulating its effects in the brain.
wean someone (away) from something
to force someone or an animal to break a habit. (Fig. on the notion of ending the dependence of a young creature on milk alone.) It was almost impossible to wean her from her high spending habits. We couldn't wean away the dog from its mother.
wean fromor wean off
1. To accustom some young mammal to nourishment other than something, as the mother's milk, obtained by suckling: The mother weaned the child from breast milk. The child was weaned from the breast.
2. To detach someone from something to which one is strongly habituated or devoted: I finally weaned myself from cigarettes. They were weaned from their drug habits at the rehabilitation center.