Word.ws English Dictionary

posterboard

posterboard noun: cardboard material suitable for making posters.

Noun

posterboard (countable and uncountable, plural posterboards)

  1. (uncountable) Cardboard material suitable for making posters.
    • I used a piece of posterboard for my project.
  2. A piece of such material.
    • I used the posterboard for my project.
  3. (direct) A flyer printed on stiff cardboard, approximately 8.5 by 11 inches, mailed flat.
    • They sent me a nice posterboard on the new product.

Forms of posterboard

pluralposterboards

Origin of posterboard

From poster + board.

Questions about posterboard

What does posterboard mean?
Posterboard means cardboard material suitable for making posters.
What part of speech is posterboard?
Posterboard is a noun.
What is the plural of posterboard?
The plural of posterboard is posterboards.

Words near posterboard in the dictionary

  1. poster paints
  2. poster session
  3. poster sessions
  4. poster stamp
  5. poster stamps
  6. posterboard
  7. posterboards
  8. posterboy
  9. posterboys
  10. posterchild
  11. posterchildren

Source and license

Adapted from Wiktionary: posterboard (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “posterboard.” Word.ws, https://word.ws/posterboard. Based on Wiktionary, CC BY-SA 4.0.