Is it ensure, insure, or assure?
1790, "of or pertaining to alcohol;" see alcohol + -ic. Meaning "caused by drunkenness" is attested by 1872; meaning "habitually drunk" by 1910. Noun sense of "one who is addicted to drinking in excess, chronic drunkard, old rounder" is recorded from 1891; earlier alcoholist (1888). Alcoholics Anonymous founded 1935 in Akron, Ohio, U.S. Alky is first recorded 1844 as a slang shortening of "alcoholic liquor;" 1960 in the sense of "a drunkard."
alcoholic al·co·hol·ic (āl'kə-hô'lĭk)
Related to or resulting from alcohol.
Containing or preserved in alcohol.
Suffering from alcoholism.