men·​stru·​ate | \ˈmen(t)-strü-ˌwāt, ˈmen-ˌstrāt\
menstruated; menstruating

Definition of menstruate 

Examples of menstruate in a Sentence

She began menstruating at the age of 12.

Recent Examples on the Web

The Nepalese have outlawed chaupadi—the practice of keeping menstruating women and girls apart—but there is no mechanism for enforcement. Laura Landro, WSJ, "‘Nine Pints’ Review: The Stuff of Life," 29 Oct. 2018 Across the world, girls who menstruate are being put at a disadvantage, missing out on education and opportunity, because of a biological inevitability. Brittney Mcnamara, Teen Vogue, "5 Things to Know About Girls on International Day of the Girl," 11 Oct. 2018 According to the Guardian, only 2% of people who menstruate in China use tampons. Maride Espada, Teen Vogue, "Period Taboo Around the World," 28 May 2018 And most women hit menopause and stop menstruating around 51. Sarah Klein,, "Brigitte Nielsen Is Pregnant at 54–Is That Even Safe?," 31 May 2018 Negative notions of female sexuality, or notions of uncleanliness associated with menstruating women, may have all contributed to the word's taboo nature. The Washington Post,, "Let's talk about the c-word -- and why it's so taboo," 2 June 2018 Women who are menstruating have also experienced a higher than average flow. Jennifer Earl, Fox News, "Fake weed in Illinois leaves 3 dead, dozens with 'severe bleeding'," 11 Apr. 2018 Still, 70 percent of menstruating Americans use tampons at least sometimes, and the average woman here will use between 11,000 and 16,000 tampons in her lifetime, according to CNN. Emily Atkin, The New Republic, "Why Do Americans Refuse to Give Up Tampons?," 21 May 2018 Islam prescribes that all able-bodied Muslims should fast during Ramadan but exempts young children, expecting and breast-feeding mothers, women who are menstruating, the elderly, and those with health conditions. Kamakshi Ayyar, Time, "Your Complete Guide to Ramadan, Including the Proper Greeting and When It Starts," 15 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'menstruate.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of menstruate

1713, in the meaning defined above

History and Etymology for menstruate

Late Latin menstruatus, past participle of menstruari, from Latin menstrua menses, from neuter plural of menstruus monthly, from mensis

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Last Updated

14 Nov 2018

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The first known use of menstruate was in 1713

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English Language Learners Definition of menstruate

of a woman : to have blood flow from your body as part of a process that happens each month


intransitive verb
men·​stru·​ate | \ˈmen(t)-strə-ˌwāt, ˈmen-ˌstrāt \
menstruated; menstruating

Medical Definition of menstruate 

: to undergo menstruation

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What made you want to look up menstruate? Please tell us where you read or heard it (including the quote, if possible).


playful or foolish behavior

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