definition of
addict

[1] #1 addict n. [nut, freak, junkie, junky] someone who is so ardently devoted to something that it resembles an addiction; "a golf addict"; "a car nut"; "a bodybuilding freak"; "a news junkie". wn

[2] #2 addict v. [hook] to cause (someone or oneself) to become dependent (on something, especially a narcotic drug). wn

[3] #3 addict n. someone who is physiologically dependent on a substance; abrupt deprivation of the substance produces withdrawal symptoms. wn