bibulous
Concise Oxford English Dictionary © 2008 Oxford University Press:
bibulous /ˈbɪbjʊləs/
▶adjective formal excessively fond of drinking alcohol.
– derivatives
bibulously adverb,
bibulousness noun.
bibulously adverb,
bibulousness noun.
– origin C17: from L. bibulus ‘freely drinking’.
'bibulous' also found in these Oxford entries:

