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Definition of wallboard

wallboard

/ˈwɔːlˌbɔːrd/
wall · board
Plural:wallboards
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wallboard Lexical Profile

wallboard Game Scores & Validity

• noun

1

A rigid, flat sheet of building material, typically made of gypsum plaster, wood pulp, or compressed fibers, used to cover interior walls and ceilings in place of traditional wet plaster.

Example

"The contractors installed moisture-resistant wallboard in the new bathroom before laying the ceramic tile."

Synonyms
View all synonyms for wallboard

• Rhymes for wallboard

• Nearby Words

wallago
wallaman
wallaroo
wallboard
wallchart
wallcovering
wallcreeper

Cite this Entry

Wordmom. (2026). Definition of Wallboard. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/wallboard
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