mirror

1 of 2

noun

mir·​ror ˈmir-ər 

ˈmi-rər

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

b

: an exemplary model

She is the mirror of feminine beauty.

mirrored

ˈmir-ərd 

ˈmi-rərd

ˈmir-əd

ˈmi-rəd

adjective

mirrorlike

ˈmir-ər-ˌlīk 

ˈmi-rər-

adjective

mirror

2 of 2

verb

mirrored; mirroring; mirrors

transitive verb

1

: to reflect in or as if in a mirror

2

: resemble

Synonyms

Noun

• glass

Verb

• reflect

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

Noun

Use a dedicated glass cleaner to make your front and rear windshields, side windows, mirrors and infotainment screens clear and clean. —Keenan Thompson, USA Today, 15 Aug. 2025

In the station bathroom, Michelle catches her reflection, and then sees him—Burke—not in the mirror, but in her mind, planting a warning that if anyone discovers their affair, the truth could unravel everything she's accomplished. —Jp Mangalindan, Time, 15 Aug. 2025

Verb

The episode itself mirrors the conceit, unfolding as a true oner, with the camera weaving and barreling through the set in a state of mounting, anxious momentum as Matt’s meddling escalates. —Nicholas Quah, Vulture, 16 Aug. 2025

The Golden State's slowing job market mirrored the national economy, which saw 73,000 jobs added in July, lower than monthly job gains earlier this year and the downward revisions for May and June. —Martha McHardy, MSNBC Newsweek, 16 Aug. 2025

Word History

Etymology

Noun

Middle English mirour "object with a reflective surface, reflection, model of conduct," borrowed from Anglo-French mirur, mireour, from mirer "to look at" (going back to Latin mīrārī "to be surprised, look with wonder at") + -ur, -eour -or entry 1 — more at admire

Verb

derivative of mirror entry 1

First Known Use

Noun

13th century, in the meaning defined at sense 1

Verb

1593, in the meaning defined at sense 1

Phrases Containing mirror

• in one's rearview mirror
• in the rearview mirror
• magnetic mirror
• mirror image
• one-way mirror
• rearview mirror
• side-view mirror
• two-way mirror
• wing mirror

Rhymes for mirror

• clearer
• dearer
• hearer
• nearer
• shearer

Kids Definition

mirror

1 of 2 noun

mir·​ror ˈmir-ər 

1

: a smooth or polished surface (as of glass) that forms images by reflection

2

: something that gives a true likeness or description

mirror

2 of 2 verb

1

: to reflect in or as if in a mirror

2

: resemble

her presentation mirrored that of her classmates

Medical Definition

mirror

noun

mir·​ror ˈmir-ər 

: a polished or smooth surface (as of glass) that forms images by reflection