[ mar-uh-wah-nuh ]
/ ˌmær əˈwɑ nə /
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a psychoactive narcotic drug rendered from the leaves and flowering tops of a cannabis plant, especially Cannabis sativa, used for recreational or medical purposes by smoking, vaping, or ingesting: He’s tried marijuana but claims it has no effect on him.
the dried leaves and flowering tops from which the drug is rendered: Her personal stash of marijuana is rarely more than an ounce or two.
any plant of the genus Cannabis, especially C. sativa, whose leaves and flowering tops have psychoactive properties: several acres of cultivated marijuana.
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The rainy weather could not ________ my elated spirits on my graduation day.
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Sometimes ma·ri·hua·na .

Origin of marijuana

An Americanism dating back to 1890–95; from Mexican Spanish marihuana, mariguana; the traditional association with the personal name María Juana is probably a folk etymology
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use marijuana in a sentence

British Dictionary definitions for marijuana



/ (ˌmærɪˈhwɑːnə) /

the dried leaves and flowers of the hemp plant, used for its euphoric effects, esp in the form of cigarettesSee also cannabis
another name for hemp (def. 1)

Word Origin for marijuana

C19: from Mexican Spanish
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for marijuana


The cannabis plant.
A preparation made from the dried flower clusters and leaves of the cannabis plant, usually smoked or eaten to induce euphoria.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.