substance abuser

substance abuse

n. Excessive, inappropriate, or illegal use of a substance, such as a drug, alcohol, or another chemical such as an inhalant, especially when resulting in addiction. Also called chemical abuse.

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substance abuser n.

Thesaurus

Noun

1.

substance abuser - a person who takes drugs drug user, userindividual, mortal, person, somebody, someone, soul - a human being; "there was too much for one person to do"addict - someone who is physiologically dependent on a substance; abrupt deprivation of the substance produces withdrawal symptomshead - a user of (usually soft) drugs; "the office was full of secret heads"tripper - (slang) someone who has taken a psychedelic drug and is undergoing hallucinations