Dictionary.com
Thesaurus.com

one-way mirror

American  

noun

  1. a sheet of glass that can be seen through from one side and is a mirror on the other, used especially for observation of criminal suspects by law-enforcement officials or witnesses.


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Holy relics employed in the proceedings line one wall, another features a one-way mirror that allows family members and novice exorcists to observe.

From Barron's Jul. 19, 2026

For proof, she was taken into a private teacher’s room, where through a one-way mirror she saw him compose himself shortly after her departure and start to play with the other children.

From Los Angeles Times Jun. 12, 2026

An installation with a one-way mirror and two seats will invite visitors to participate.

From Seattle Times May 17, 2024

"I ducked down, it was 7am in the morning. That was when I got the one-way mirror film put in."

From BBC Nov. 21, 2022

Alex didn’t notice the fourth camera inside the elevator, but then, it was concealed on the other side of the one-way mirror that covered the back wall.

From "Stormbreaker" by Anthony Horowitz

Vocabulary.com logo
by dictionary.com

Join 14,000,000 vocabulary learners

Start learning new words today on VocabTrainer.
You'll remember them forever.

Start training