Dictionary.com
Thesaurus.com
Synonyms

blackboard

American  
[blak-bawrd, -bohrd] / ˈblækˌbɔrd, -ˌboʊrd /

noun

blackboards plural
  1. a sheet of smooth, hard material, especially dark slate, used in schools, lecture rooms, etc., for writing or drawing on with chalk.


blackboard British  
/ ˈblækˌbɔːd /

noun

  1. a hard or rigid surface made of a smooth usually dark substance, used for writing or drawing on with chalk, esp in teaching

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Noun Inflected Forms

Etymology

Origin of blackboard

First recorded in 1815–25; black + board

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:

They always at least stay around the proverbial blackboard, as Friedman calls it, in case a player’s market doesn’t develop as expected.

From Los Angeles Times Dec. 10, 2025

What I miss most is closing my eyes at night, then opening them and it’s morning, that total submersion, yesterday’s problems wiped away like algebraic equations on a junior-high blackboard.

From The Wall Street Journal Nov. 6, 2025

The host walked me to the seating at the back of the restaurant, and we passed a huge blackboard that read, “Leave a message for Mr. G or Lady G.”

From Slate Nov. 2, 2024

One of the first buildings players enter - the local pub, of course - has a blackboard outside advertising today's special.

From BBC Aug. 2, 2024

“Sir, you are asking questions that are more in the nature of analytical geometry and calculus,” he said, turning away from the blackboard to eye me over his half-glasses.

From "October Sky" by Homer Hickam

Images of sheets and blackboards tallying the results have circulated on social media, fuelling victory claims among both Biya and Tchiroma's camps.

From Barron's Oct. 13, 2025

The Michigan artist’s paintings can resemble palimpsests, reused documents that reveal multiple levels of text or imagery, or explicitly evoke partly erased blackboards.

From Washington Post Oct. 28, 2022

The group has collected photographs of about 200 messages left as graffiti or written on blackboards in schools.

From New York Times Oct. 10, 2022

At the 4.16 Memorial Classroom, a museum dedicated to the students, the victims’ classrooms are re-created with desks, blackboards and other furniture from the school.

From Seattle Times Jun. 8, 2022

Apparently, he liked to tell stories in weird voices and spent years scratching out a replica of New York City’s skyline on the converted classroom’s blackboards.

From "The Darkest Minds" by Alexandra Bracken

Vocabulary.com logo
by dictionary.com

Dictionary.com's Learning Companion

Go beyond just looking up words.
Remember them forever with VocabTrainer.

Start training