Third-person singular simple present indicative form of menstruate.(verb)
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Use "menstruates" in a sentence
"While training for a top competition, Marie rarely menstruates – not uncommon for such athletes – before her body starts failing from right under her."
"After a girl first menstruates, she must have as little contact as possible with men outside the immediate family."
"What if she menstruates all over some important legislation??"