kratom

noun

kra·​tom ˈkrā-təm How to pronounce kratom (audio) ˈkra- How to pronounce kratom (audio)
1
: a psychoactive preparation that is composed of the crushed or powdered dried leaves of a yellow-flowered tropical tree (Mitragyna speciosa of the family Rubiaceae) of southeastern Asia and that is smoked or ingested orally (as in tea or capsules)

Note: Kratom contains the alkaloids mitragynine and 7-hydroxymitragynine which produce stimulatory effects at low doses and sedative and analgesic effects at high doses.

At lower dosages, kratom is a mood enhancer … . But at higher levels, it functions as a mini-opioid, causing drowsiness, calmness, and a level of euphoria.Peninsula Daily News (Port Angeles, Washington)
Information and data on the positive and negative effects of kratom are limited, and because of this, health officials have voiced concerns that it is largely unregulated.Bryce Dole
Traditional medicine utilizes kratom to deal with muscle pain, depression, fatigue, and other physical and mental health problems.Rishi Madan
The Food and Drug Administration does not view kratom as safe and has repeatedly warned against use of the substance, which has been marketed for pain relief, depression and anxiety.Blair Emerson
2
: the tree or leaves from which kratom is derived
As a society, we're now using other medications to control pain, while actively searching for more. Some consider kratom (Mitragyna speciosa), a tree native to Southeast Asia, to have potential in this respect.Robert Ashley
For centuries, kratom has been grown in African and Southeast Asia as an ingredient that locals can use in traditional medicine.The Daily Herald (Everett, Washington)

Examples of kratom in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Around the margins, there are some wild cards, like the citizen complainant who recently served two years in federal prison for his mail-order kratom business. Rafil Kroll-Zaidi, Curbed, 3 Sep. 2024 There are podcasts, support groups and books dedicated to quitting kratom. Lauren Fichten, CBS News, 2 Nov. 2024 The growing interest in natural performance enhancers like kratom and cannabis underscores the need for innovation and adaptation. Joshua Adragna, Rolling Stone, 1 Oct. 2024 In other words, one kratom product could be more dangerous than another. C. Michael White, The Conversation, 20 Feb. 2024 See all Example Sentences for kratom 

Word History

Etymology

borrowed from Thai krathɔ̂:m

First Known Use

1926, in the meaning defined at sense 2

Time Traveler
The first known use of kratom was in 1926

Dictionary Entries Near kratom

Cite this Entry

“Kratom.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/kratom. Accessed 24 Nov. 2024.

Medical Definition

kratom

noun
kra·​tom ˈkrāt-əm How to pronounce kratom (audio) ˈkrat- How to pronounce kratom (audio)
1
: a psychoactive preparation that is composed of the crushed or powdered dried leaves of a yellow-flowered tropical tree (Mitragyna speciosa of the family Rubiaceae) of southeastern Asia and that is smoked or ingested orally (as in tea or capsules)

Note: Kratom contains the alkaloids mitragynine and 7-hydroxymitragynine which produce stimulatory effects at low doses and sedative and analgesic effects at high doses.

In folk medicine, kratom has been used for its reported analgesic and euphoric effects, as well as for intestinal infections, diarrhea, and cough.Marc T. Swogger et al., Journal of Psychoactive Drugs
… there has been an increase in reported adverse effects associated with kratom, which prompted the Drug Enforcement Administration (DEA) to consider classifying kratom as a Schedule I drug, and the Food and Drug Administration (FDA) to warn consumers against its use.Sara Post et al., Clinical Toxicology
2
: the tree or leaves from which kratom is derived
Growing approximately 15 m tall, the kratom tree possesses relatively large, broad, glossy leaves that are oval shaped and dark green in color.Marcus L. Warner et al., International Journal of Legal Medicine
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