1
: a polished or smooth surface (as of glass) that forms images by reflection
She looked at herself in the mirror.
2
a
: something that gives a true representation
the press as a mirror of public opinion—
C. G. Bowers
C. G. Bowers
b
: an exemplary model
She is the mirror of feminine beauty.
mirrored; mirroring; mirrors
Examples of mirror in a Sentence
Noun
breaking a mirror is supposed to bring seven years of bad luck
Verb
The building was mirrored in the lake.
the still waters of the pond mirroring the cloudless sky above
Recent Examples on the Web
Helen Shaw, New Yorker, 17 Apr. 2025
Hang Mirrors Wall mirrors help bounce light around a room to make a space appear larger.
—Nafeesah Allen, Better Homes & Gardens, 16 Apr. 2025
Jessica Benavides Canepa, AFAR Media, 17 Apr. 2025
Soft peach tones blend seamlessly into dreamy blues, mirroring the palette of Coachella sunrises and sunsets that have become as iconic as the performances themselves.
—Shelby Knick, Forbes.com, 17 Apr. 2025
See All Example Sentences for mirror
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Noun
This spring, the London theatre shimmers with this kind of ambiguity—real king, false king, portrait, mirror.
—Helen Shaw, New Yorker, 17 Apr. 2025
Hang Mirrors Wall mirrors help bounce light around a room to make a space appear larger.
—Nafeesah Allen, Better Homes & Gardens, 16 Apr. 2025
Verb
Initially set to take effect on July 1, the ban mirrored similar restrictions implemented by an increasing number of European port cities to help alleviate overtourism due to an influx of cruise ship day visitors.
—Jessica Benavides Canepa, AFAR Media, 17 Apr. 2025
Soft peach tones blend seamlessly into dreamy blues, mirroring the palette of Coachella sunrises and sunsets that have become as iconic as the performances themselves.
—Shelby Knick, Forbes.com, 17 Apr. 2025
See All Example Sentences for mirror
Cite this Entry
“Mirror.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mirror. Accessed 22 Apr. 2025.
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Medical Definition
mirror
noun
mir·ror
ˈmir-ər 
: a polished or smooth surface (as of glass) that forms images by reflection
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