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Definition of subfloor

subfloor

/ˈsʌbˌflɔːr/
sub · floor
Plural:subfloors
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subfloor Lexical Profile

subfloor Game Scores & Validity

• noun

1

A rough structural floor laid directly over floor joists to serve as a flat, stable base for the finished flooring.

Example

"The carpenters replaced the water-damaged plywood subfloor before installing the new oak planks."

Synonyms
View all synonyms for subfloor

• Nearby Words

subdued
subeditor
subfield
subfloor
subfolder
subforum
subfreezing

Cite this Entry

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