A drug addict is someone who is dependent on drugs and has difficulty controlling their use. The term 'USER' (4 letters) is often used to refer to someone who takes drugs, while 'JUNKIE' (6 letters) is a slang term for someone who is addicted to drugs. A 'FIEND' (5 letters) is another slang term for someone who is addicted to drugs, while 'doper' (5 letters) is a term used to describe someone who uses drugs regularly. An 'abuser' (6 letters) is someone who uses drugs in an excessive or dangerous manner, and a 'narcomaniac' (11 letters) is someone who is addicted to narcotics.