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
The building is a mirror of functionality.
mirrored; mirroring; mirrors
1
: to reflect in or as if in a mirror
The clouds were mirrored in the lake.
2
: resemble
His mood mirrored the gloomy weather.
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
Condé Nast Traveler, 26 May 2026
The gold detailing ties in perfectly with the rest of the apartment’s accents, while the geometric shape adds something a little more unique than a standard round mirror.
—Rosie Marder, Travel + Leisure, 25 May 2026
Condé Nast, Condé Nast Traveler, 27 May 2026
In rehearsal, what mirrored the play was an authentic experience of becoming a community.
—Greg Evans, Deadline, 26 May 2026
See All Example Sentences for mirror
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Noun
The care and consideration Partanna® pays to their process mirrors that of the Starbucks Hacienda Alsacia coffee farm in Costa Rica—nothing rushed, quality above all else.
—Condé Nast Traveler, 26 May 2026
The gold detailing ties in perfectly with the rest of the apartment’s accents, while the geometric shape adds something a little more unique than a standard round mirror.
—Rosie Marder, Travel + Leisure, 25 May 2026
Verb
All are available as ground-floor garden units (timber floors; a king-size bed centered on doors opening onto a private terrace and garden) or upstairs (mirrored in layout but with plush carpets and four-poster beds; views of the surrounding gardens and distant mountains from Juliet balconies).
—Condé Nast, Condé Nast Traveler, 27 May 2026
In rehearsal, what mirrored the play was an authentic experience of becoming a community.
—Greg Evans, Deadline, 26 May 2026
See All Example Sentences for mirror
Cite this Entry
“Mirror.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mirror. Accessed 27 May. 2026.
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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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