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
Wendy Rose Gould, Martha Stewart, 7 Mar. 2026
Indonesia’s action mirrors Australia’s age threshold but goes further in scope, extending restrictions beyond social media to online gaming and e-commerce platforms.
—Naman Ramachandran, Variety, 6 Mar. 2026
Hanna Wickes, Charlotte Observer, 6 Mar. 2026
That is great when the real feelings mirror the feelings in the scene.
—Sam Reed, Glamour, 6 Mar. 2026
See All Example Sentences for mirror
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Noun
Cleaning professional Claudia Meneses says that using white vinegar with a bit of water works real miracles on most shiny surfaces, including windows, chrome fixtures, and mirrors.
—Wendy Rose Gould, Martha Stewart, 7 Mar. 2026
Indonesia’s action mirrors Australia’s age threshold but goes further in scope, extending restrictions beyond social media to online gaming and e-commerce platforms.
—Naman Ramachandran, Variety, 6 Mar. 2026
Verb
The Mid-Credits Scene The mid-credits scene centers on Peter Sarsgaard’s character, Detective Wiles, who watches as a group of women place a tattoo on mob boss Lupino’s face that mirrors the facial marking seen on The Bride.
—Hanna Wickes, Charlotte Observer, 6 Mar. 2026
That is great when the real feelings mirror the feelings in the scene.
—Sam Reed, Glamour, 6 Mar. 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 9 Mar. 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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