"alcoholic" in the noun sense
1. alcoholic, alky, dipsomaniac, boozer, lush, soaker, souse
a person who drinks alcohol to excess habitually
"alcoholic" in the adjective sense
1. alcoholic
characteristic of or containing alcohol
"alcoholic drinks"
2. alcoholic, alcohol-dependent
addicted to alcohol
"alcoholic expatriates in Paris"- Carl Van Doren
Source: WordNet® (An amazing lexical database of English)
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