What does "controlled substance" mean?

A drug or chemical whose use, possession, manufacture, or sale is regulated or banned by the government.

What is a synonym for "controlled substance"?

Common synonyms include: barbiturate, codeine, diazepam, dope, hallucinogen, intoxicant.

noun

noun ·Rare ·Advanced level

Noun

1
A drug or chemical whose use, possession, manufacture, or sale is regulated or banned by the government.
"In order to determine that a controlled substance is present, it is frequently necessary to carry out a full forensic analysis of such samples."
2
a drug or chemical substance whose possession and use are controlled by law wordnet

"In order to determine that a controlled substance is present, it is frequently necessary to carry out a full forensic analysis of such samples."