Standard Lemma guide

posterboard

noun · 4 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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No pronunciation record was provided for this word.

1

noun

Meaning 1

Cardboard material suitable for making posters.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

Examples

  • I used a piece of posterboard for my project.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

A piece of such material.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Examples

  • I used the posterboard for my project.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

A flyer printed on stiff cardboard, approximately 8.5 by 11 inches, mailed flat.

Definition source: English Wiktionary via Wiktextract

Usage: countable, direct, uncountable

Topics: business, marketing

Examples

  • They sent me a nice posterboard on the new product.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

a cardboard suitable for making posters

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: paperboard, poster board

Antonyms: none provided

Broader terms: cardboard, composition board

History

Etymology

From poster + board.