Home › Words › H › heroinistheroinistheroinist means A heroin addict.EtymologyFrom heroin + -ist.nounA heroin addict.Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.heroinomaniac 84% match — A heroin addict. vs heroinist →heroinomania 75% match — Heroin addiction. vs heroinist →junkie 70% match — A narcotics addict, especially a heroin user. vs heroinist →cocainist 67% match — A cocaine addict. vs heroinist →meconophagist 66% match — One who uses or consumes opiates including heroin. vs heroinist →drughead 66% match — A drug addict. vs heroinist →heroinize 64% match — To treat (a woman) as a heroine. vs heroinist →harry 64% match — The drug heroin. vs heroinist →