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Definition of fiberboard
fiberboard
/ˈfaɪ.bərˌbɔːrd/
(UK: fibreboard)
fi · ber · board
Plural:fiberboards
fiberboard Lexical Profile
CEFR
B2
Grade
8
Tier
2
Usage
Rare
Syllables
3
fiberboard Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• noun
1
American A building material made of wood or other plant fibers compressed and bonded into rigid sheets, widely used in furniture manufacturing, paneling, and thermal or acoustic insulation.
Example
"The inexpensive bookshelf was constructed from laminated medium-density fiberboard rather than solid oak."
Synonyms
View all synonyms for fiberboardCite this Entry
Wordmom. (2026). Definition of Fiberboard. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/fiberboard