Definition

The layer of material that is placed beneath the main floor covering, providing support and stability.

Example

Before installing the hardwood, we need to check the condition of the subfloor.

Conversation

I just finished checking the subfloor before laying down the new carpet.

That sounds like a smart move! How did it look?

It was surprisingly solid, just a bit dusty.

Perfect! A good subfloor makes all the difference.

Synonyms & Antonyms

Root Explanation

Subfloor → It is formed from "sub-" (meaning under) and "floor" (from Old English "flōr", meaning the surface of a room). The word "subfloor" refers to a layer of flooring that is placed underneath the main floor surface.

Memory Tip

Think of something that is 'under' ('sub-') the main 'surface' ('floor') of a room — that's what a subfloor is.

Visually Confused Words