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

Barkov is seldom the team’s leading goal scorer but usually tops in assists, as last season, an apt mirror of his selflessness. —Miami Herald, 26 Sep. 2025

There’s a real difference with an actor looking in a mirror and the face looking back at him isn’t his. —J. Kim Murphy, Variety, 26 Sep. 2025

Verb

The theme was naturally mirrored behind-the-scenes, where the young cast quickly bonded and turned their traumatic on-screen experiences into Canadian summer camp with the cameras off. —Proma Khosla, IndieWire, 26 Sep. 2025

The challenges posed by invasive species mirror the challenges in other time-sensitive fields, like public health, climate adaptation and sustainable agriculture. —Pam Marrone, Mercury News, 26 Sep. 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