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
Her urine toxicology tests returned positive for only one substance: delta-9-tetrahydrocannabinol, better known as THC — the psychoactive ingredient in marijuana.
—
Julia Michie Bruckner, Discover Magazine, 5 Apr. 2024
Hemp and marijuana are both cannabis plants, but the key difference between hemp and marijuana is the amount of psychoactive compound — known as tetrahydrocannabinol or THC — that each plant possesses.
—Frank E. Lockwood, arkansasonline.com, 30 Mar. 2024
The Challenge For Regulators But psychoactive drugs present a dilemma for regulators.
—Sarah Sinclair, Forbes, 27 Mar. 2024
Laboratory studies have shown that THC, the psychoactive ingredient in marijuana, can cause an increase in inflammation in the blood vessels, so edibles aren’t necessarily risk-free, Wu said.
—Akshay Syal, M.d., NBC News, 28 Feb. 2024
Some research comparing marijuana cigarettes containing THC (the psychoactive substance in cannabis) to a THC-free placebo found that smoking marijuana with THC led to significantly more symptom improvements.
—Markham Heid, TIME, 9 Feb. 2024
The toxicology report indicated McCall had THC — the psychoactive ingredient in marijuana — in his system, the court records showed.
—Staff Reports, Hartford Courant, 12 Jan. 2024
Hemp — a cousin of cannabis that doesn’t contain THC, the chemical that causes psychoactive effects — had been recently legalized nationally in the Farm Act of 2018, and prices were crashing.
—Wesley Parnell, Rolling Stone, 22 Mar. 2024
Delta-9 is the most abundant form of THC in weed and is responsible for most of the psychoactive effects.
—Jen Christensen, CNN, 12 Mar. 2024
Julia Michie Bruckner, Discover Magazine, 5 Apr. 2024
Hemp and marijuana are both cannabis plants, but the key difference between hemp and marijuana is the amount of psychoactive compound — known as tetrahydrocannabinol or THC — that each plant possesses.
—Frank E. Lockwood, arkansasonline.com, 30 Mar. 2024
The Challenge For Regulators But psychoactive drugs present a dilemma for regulators.
—Sarah Sinclair, Forbes, 27 Mar. 2024
Laboratory studies have shown that THC, the psychoactive ingredient in marijuana, can cause an increase in inflammation in the blood vessels, so edibles aren’t necessarily risk-free, Wu said.
—Akshay Syal, M.d., NBC News, 28 Feb. 2024
Some research comparing marijuana cigarettes containing THC (the psychoactive substance in cannabis) to a THC-free placebo found that smoking marijuana with THC led to significantly more symptom improvements.
—Markham Heid, TIME, 9 Feb. 2024
The toxicology report indicated McCall had THC — the psychoactive ingredient in marijuana — in his system, the court records showed.
—Staff Reports, Hartford Courant, 12 Jan. 2024
Hemp — a cousin of cannabis that doesn’t contain THC, the chemical that causes psychoactive effects — had been recently legalized nationally in the Farm Act of 2018, and prices were crashing.
—Wesley Parnell, Rolling Stone, 22 Mar. 2024
Delta-9 is the most abundant form of THC in weed and is responsible for most of the psychoactive effects.
—Jen Christensen, CNN, 12 Mar. 2024
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'psychoactive.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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Cite this Entry
“Psychoactive.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/psychoactive. Accessed 17 Apr. 2024.
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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