miscarriage
Americannoun
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the expulsion of a fetus before it is viable, especially between the third and seventh months of pregnancy; spontaneous abortion.
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failure to attain the just, right, or desired result.
a miscarriage of justice.
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failure of something sent, as a letter, to reach its destination.
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Chiefly British. transportation of goods not in accordance with the contract of shipment.
noun
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spontaneous expulsion of a fetus from the womb, esp prior to the 20th week of pregnancy
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an act of mismanagement or failure
a miscarriage of justice
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the failure of freight to reach its destination
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The premature, spontaneous expulsion of the products of pregnancy from the uterus, usually in the first trimester.
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Also called spontaneous abortion
Discover More
Generally, a miscarriage is a failure to achieve a desired end, as in a miscarriage of justice.
Other Word Forms
Noun Inflected Forms
Etymology
Origin of miscarriage
Explanation
A miscarriage, in medical terms, is the birth of a fetus before it's able to live independently of its mother. In other words, a miscarriage is the abrupt, early end of a pregnancy. The medical sense of miscarriage, which usually describes the very early loss of a pregnancy (later losses are often called stillbirths), is actually among the newer uses of the word. In the sixteenth century, a miscarriage was almost always a "mistake or error" or sometimes "misbehavior." Today, when something doesn't go the way it was supposed to, you might call it a miscarriage.
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.
But the majority noted that smaller slip-ups like this, by themselves, were not enough to clear the high bar of this new miscarriage of justice rule.
From Slate • Jun. 18, 2026
Emma's case dates back almost 40 years to when she phoned her GP concerned she was having a miscarriage.
From BBC • Jun. 1, 2026
The fetus’ head was pressed up against her dilated cervix, and a miscarriage was, according to her medical record, “inevitable.”
From Salon • May 27, 2026
Less than three months into her pregnancy, Debbie had a miscarriage, the first of three.
From The Wall Street Journal • May 23, 2026
A miscarriage is lonely, painful, and demoralizing almost on a cellular level.
From "Becoming" by Michelle Obama
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.