noun.
One with a morbidparoxysmalcraving for alcohol; an alcoholic.
noun.
A persistently drunken person; a drunkard.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
a person who drinks alcohol to excess habitually
Word Usage
"A self-indulgent rather unsocial habit-forming man may very easily become what is called a dipsomaniac, no doubt, but that is not the same thing as an inherited specific craving."