dipsomania

/ˌdɪpsə(ʊ)ˈmeɪnɪə/

ot noun

Addiction to alcohol.
Specifically periodic alcoholism, characterized by bouts of heavy drinking rather than continuous indulgence in alcohol.

Manbalar: Wiktionary (Free Dictionary API orqali), Datamuse, Tatoeba (CC BY 2.0 FR), MyMemory.