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
Synonyms
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 WebElla Gonzales, Fort Worth Star-Telegram, 24 Apr. 2024
In one shot, a blue and green light fixture draws the eye to the center of the room, followed by another snap of Ripa posing in a mirror as the black-and-white floors and signature arches can be seen in the background.
—Natalia Senanayake, Peoplemag, 22 Apr. 2024
See all Example Sentences for mirror 
Noun
The gym has expanded to not only have cardio and weight machines, but also a stretching room with mirrors for the yogis.
—Ella Gonzales, Fort Worth Star-Telegram, 24 Apr. 2024
In one shot, a blue and green light fixture draws the eye to the center of the room, followed by another snap of Ripa posing in a mirror as the black-and-white floors and signature arches can be seen in the background.
—Natalia Senanayake, Peoplemag, 22 Apr. 2024
See all Example Sentences for mirror
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'mirror.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near mirror
Cite this Entry
“Mirror.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mirror. Accessed 3 May. 2024.
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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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