Controlled substance
Controlled substance noun - A drug or chemical substance whose possession and use are controlled by law.
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Synonyms for Controlled substance
Opium and controlled substance are semantically related. In some cases you can replace term "Opium" with "Controlled substance", this terms are similar.
Opium
Opium noun - An addictive narcotic extracted from seed capsules of the opium poppy.
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Synonyms for Opium
Controlled substance and opium are semantically related. Sometimes you can use "Controlled substance" instead a noun "Opium".
Both terms in one sentence
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Laudanum is whiskey diluted with grains of opium, and prior to opium becoming a controlled substance, people actually would take laudanum for their headaches and such.
Source: Video Game / The Oregon Trail
Cite this Source
Opium and Controlled substance. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/controlled_substance/opium
Controlled substance & Opium. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/controlled_substance/opium>.
Opium or Controlled substance. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/controlled_substance/opium.
Google Ngram Viewer shows how "controlled substance" and "opium" have occurred on timeline