drug abuser
noun
A regular or habitual user of drugs for non-medicinal purposes, especially a person who takes illegal drugs for their narcotic, stimulant, or mood-altering effects.
- Sometimes, especially in clinical literature, distinguished from drug addict..
Origin
Early 20th century.
- intervenient
- intervenor
- intervention
- interventional
- interventionism
- interventionist
- intervertebral
- intervertebral disc
- interview
- interviewee
- interviewer
- inter vivos
- intervocalic
- intervocalically
- interwar
- interweave
- Interweb
- interwind
- interwork
- intestacy
- intestate
- intestinal
- intestinal flora
- intestinally
- intestine