To consume (a liquid) through the mouth.

“He drank the water I gave him.”

(metonymic) To consume the liquid contained within (a bottle, glass, etc.).

“Jack drank the whole bottle by himself.”

To consume alcoholic beverages.

“Everyone who is drinking is drinking, but not everyone who is drinking is drinking.”

One who is intoxicated with alcohol.

A habitual drinker, especially one who is frequently intoxicated.

A drinking-bout; a period of drunkenness.

Intoxicated as a result of excessive alcohol consumption, usually by drinking alcoholic beverages.

Habitually or frequently in a state of intoxication.

(usually followed by with or on) Elated or emboldened.

“Drunk with power he immediately ordered a management reshuffle.”