psilocybin
noun
psi·lo·cy·bin
ˌsī-lə-ˈsī-bən 
: a hallucinogenic indole C12H17N2O4P obtained from a fungus (such as Psilocybe mexicana or P. cubensis synonym Stropharia cubensis)
Examples of psilocybin in a Sentence
Recent Examples on the Web
The researchers ultimately concluded that psilocybin could reliably occasion mystical experiences.
—
Michael Pollan, New Yorker, 19 May 2025
The number of people who reported using psilocybin in the past year also has climbed.
—Tiney Ricciardi, Denver Post, 13 May 2025
Traditional treatments failed me, and, though controversial, psychedelics like ibogaine or psilocybin offered a new path.
—Joe Hudak, San Diego Union-Tribune, 8 May 2025
The most common side effects of psilocybin were anxiety, nausea, headache and elevated blood pressure, but none were serious enough to require medical care, according to the researchers.
—Melissa Rudy, FOXNews.com, 7 May 2025
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Michael Pollan, New Yorker, 19 May 2025
The number of people who reported using psilocybin in the past year also has climbed.
—Tiney Ricciardi, Denver Post, 13 May 2025
Traditional treatments failed me, and, though controversial, psychedelics like ibogaine or psilocybin offered a new path.
—Joe Hudak, San Diego Union-Tribune, 8 May 2025
The most common side effects of psilocybin were anxiety, nausea, headache and elevated blood pressure, but none were serious enough to require medical care, according to the researchers.
—Melissa Rudy, FOXNews.com, 7 May 2025
See All Example Sentences for psilocybin
Cite this Entry
“Psilocybin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/psilocybin. Accessed 4 Jun. 2025.
Copy CitationKids Definition
psilocybin
noun
psi·lo·cy·bin
ˌsī-lə-ˈsī-bən
: a chemical that is obtained from a fungus and causes hallucinations
Medical Definition
psilocybin
noun
psi·lo·cy·bin
ˌsī-lə-ˈsī-bən
: a hallucinogenic indole C12H17N2O4P obtained from a basidiomycetous fungus (as Psilocybe mexicana or P. cubensis synonym Stropharia cubensis)
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