Meaning

3 senses
  1. (uncountable)Cardboard material suitable for making posters.

    I used a piece of posterboard for my project.

    a cardboard suitable for making posters

  2. (countable, uncountable)A piece of such material.

    I used the posterboard for my project.

  3. (countable, direct, uncountable)A flyer printed on stiff cardboard, approximately 8.5 by 11 inches, mailed flat.

    They sent me a nice posterboard on the new product.

Origin

From poster + board.

From poster + board.

Wiktionary, CC BY-SA 4.0 · source

Forms

plural: posterboards
Singularposterboard
Pluralposterboards

regular

Synonyms

2 synonyms
Close in meaning

See also

neighbours in the dictionary
posterboard — meaning, examples, forms, synonyms | Krumeto