mirror image
Americannoun
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an image of an object, plan, person, etc., as it would appear if viewed in a mirror, with right and left reversed.
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an object having a spatial arrangement that corresponds to that of another object except that the right-to-left sense on one object corresponds to the left-to-right sense on the other.
noun
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an image as observed in a mirror
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an object that corresponds to another object in the same way as it would correspond to its image in a mirror
Etymology
Origin of mirror image
First recorded in 1880–85
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.
According to Deluard, investors are making the mistake of thinking that bull-market tops are the mirror image of bear-market bottoms, when they are not.
From MarketWatch • Mar. 9, 2026
In Bennu's samples, however, the two mirror image versions of glutamic acid contain dramatically different nitrogen values.
From Science Daily • Feb. 12, 2026
The risk is a pile-on that would be the mirror image of Bitcoin ETFs’ role in last year’s Bitcoin rally, when the surge of inflows to the new funds helped drive the crypto higher.
From Barron's • Feb. 5, 2026
After all, simply making the backward route a mirror image of the forward one would be boring.
From The Wall Street Journal • Sep. 26, 2025
They were looking for some persuasive mirror image of themselves.
From "The Big Short" by Michael Lewis
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.
