• synonyms


[blak-bawrd, -bohrd]
See more synonyms for blackboard on Thesaurus.com
  1. a sheet of smooth, hard material, especially dark slate, used in schools, lecture rooms, etc., for writing or drawing on with chalk.
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Compare greenboard.

Origin of blackboard

First recorded in 1815–25; black + board
Also called chalkboard.

Blackboard Learn

[blak-bawrd lurn, ‐bohrd]
  1. the brand name of a learning management system, launched in 1998. Abbreviation: Bb
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Also called Blackboard.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words


Examples from the Web for blackboard

Contemporary Examples

Historical Examples

  • Ellis Holbrook stood but a step from the blackboard, just behind him.

  • For a slate or blackboard, he used the beach, as did Archimedes of the olden time.

    Adrift on the Pacific

    Edward S. Ellis

  • One day the teacher had ruled the blackboard with very fine lines.

  • This was the writing of words on the blackboard for the pupils to use 118 in sentences.

    David Dunne

    Belle Kanaris Maniates

  • Crayon will not write on the smooth, glazed parts of a blackboard.

    Common Science

    Carleton W. Washburne

British Dictionary definitions for blackboard


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

Word Origin and History for blackboard


1823, from black + board (n.1). Blackboard jungle "inner-city school rife with juvenile delinquency" is from Evan Hunter's novel title (1954).

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Online Etymology Dictionary, © 2010 Douglas Harper