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menstruate

American  
[men-stroo-eyt, -streyt] / ˈmɛn struˌeɪt, -streɪt /

verb (used without object)

menstruated, menstruating
  1. to undergo menstruation.


menstruate British  
/ ˈmɛnstrʊˌeɪt /

verb

  1. (intr) to undergo menstruation

"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

Other Word Forms

  • unmenstruating adjective

Etymology

Origin of menstruate

1640–50; v. use of earlier menstruate menstruous, Middle English < Late Latin mēnstruātus, equivalent to mēnstru ( a ) monthly courses ( menstrual ) + -ātus -ate 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Experts say period blood tests are not an immediate alternative to current cervical screening because only women who menstruate could use them.

From BBC • Feb. 4, 2026

This invasive placenta is, in fact, part of the reason humans menstruate.

From Slate • Sep. 7, 2024

As a result, today, periods are shrouded in taboos, and people who menstruate are sometimes even hesitant to talk about it with their doctors.

From Salon • Feb. 24, 2024

All people who menstruate who live long enough go through menopause.

From Science Magazine • Oct. 25, 2023

Other causes may, however, cause this; and, on the other hand, a woman may menstruate during the whole period of her pregnancy.

From Aids to Forensic Medicine and Toxicology by Robertson, W. G. Aitchison (William George Aitchison )