bibulous
/ˈbɪbjələs/
adjective
Excessively fond of drinking alcohol.
Certainly, he’s a bibulous, gregarious fellow of many appetites, who not only acts and directs, but writes biographies and screenplays, and moonlights as a literary critic for a national newspaper.
intoxicated,inebriated,drunken,befuddled,incapable,tipsy,the worse for drink,under the influence,maudlin