Pronunciation: (dring'king),[key] —adj. 1. suitable or safe to drink: drinking water. 2. used in drinking: a drinking glass. 3. addicted to or indulging excessively in alcohol: Is he a drinking man? 4. of or pertaining to the act of drinking, esp. the drinking of alcohol: a drinking companion.
—n. habitual and excessive consumption of alcohol: His drinking caused him to lose his job.