psychoactive
adjective
psy·cho·ac·tive
ˌsī-kō-ˈak-tiv 
: affecting the mind or behavior
psychoactive drugs
Examples of psychoactive in a Sentence
Recent Examples on the Web
That’s the compound delta-9-tetrahydrocannabinol, the major active ingredient in cannabis thought to be responsible for the psychoactive effects of use.
—
Kristen Rogers, CNN Money, 2 Sep. 2025
Psychedelics, broadly defined, are a class of psychoactive substances that alter perception, cognition and mood through their interaction with neurotransmitters such as serotonin.
—Pardis Mahdavi, The Conversation, 27 Aug. 2025
The recall raised questions about the accuracy of marijuana product labels, with the CRA also arguing that Viridis was inflating THC (the psychoactive component of the marijuana plant) levels.
—Adrienne Roberts, Freep.com, 20 Aug. 2025
In the teeth of the same woman, the researchers discovered signals from another psychoactive compound, arecaidine, which arecoline is converted into with the addition of lime.
—Elizabeth Rayne, ArsTechnica, 19 Aug. 2025
See All Example Sentences for psychoactive
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Kristen Rogers, CNN Money, 2 Sep. 2025
Psychedelics, broadly defined, are a class of psychoactive substances that alter perception, cognition and mood through their interaction with neurotransmitters such as serotonin.
—Pardis Mahdavi, The Conversation, 27 Aug. 2025
The recall raised questions about the accuracy of marijuana product labels, with the CRA also arguing that Viridis was inflating THC (the psychoactive component of the marijuana plant) levels.
—Adrienne Roberts, Freep.com, 20 Aug. 2025
In the teeth of the same woman, the researchers discovered signals from another psychoactive compound, arecaidine, which arecoline is converted into with the addition of lime.
—Elizabeth Rayne, ArsTechnica, 19 Aug. 2025
See All Example Sentences for psychoactive
Cite this Entry
“Psychoactive.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/psychoactive. Accessed 10 Sep. 2025.
Copy CitationKids Definition
psychoactive
adjective
psy·cho·ac·tive
ˌsī-kō-ˈak-tiv
: affecting the mind or behavior
psychoactive drugs
Medical Definition
psychoactive
adjective
psy·cho·ac·tive
ˌsī-kō-ˈak-tiv
: affecting the mind or behavior
psychoactive drugs
THC is the principal psychoactive ingredient in marijuana
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