The Collaborative International Dictionary of English v.0.48:

Dipsomania \Dip`so*ma"ni*a\, n. [NL., fr. Gr. ? thirst + ?
   mania.] (Med.)
   A morbid an uncontrollable craving (often periodic) for
   drink, esp. for alcoholic liquors; also improperly used to
   denote acute and chronic alcoholism.
   [1913 Webster]

WordNet (r) 3.0 (2006):

dipsomania
    n 1: an intense persistent desire to drink alcoholic beverages
         to excess [syn: dipsomania, alcoholism, potomania]

Moby Thesaurus II by Grady Ward, 1.0:

65 Moby Thesaurus words for "dipsomania":
   a habit, abulia, acquired tolerance, acute alcoholism,
   addictedness, addiction, alcoholic addiction, alcoholic psychosis,
   alcoholism, amphetamine withdrawal symptoms,
   arteriosclerotic psychosis, barbiturate addiction, barbiturism,
   bottle nose, certifiability, chain smoking, chronic alcoholism,
   cocainism, crash, craving, delirium tremens, dementia paralytica,
   dependence, drug addiction, drug culture, drug dependence,
   ebriosity, folie du doute, functional psychosis, general paralysis,
   general paresis, grog blossom, habitual drunkenness, habituation,
   heavy drinking, metabolic psychosis, moral insanity, neurosis,
   nicotine addiction, oenomania, oinomania, organic psychosis,
   paralytic dementia, pathological drunkenness, physical dependence,
   presenile dementia, prison psychosis, problem drinking,
   psychological dependence, psychopathia, psychopathia sexualis,
   psychopathic condition, psychopathic personality, psychopathy,
   psychosis, senile dementia, senile psychosis, senility,
   sexual pathology, situational psychosis, syphilitic paresis,
   tolerance, toxic psychosis, withdrawal sickness,
   withdrawal symptoms