0 a floor, usually made of wood or an artifical material similar to wood, that is not fixed to the surface underneath it, for example using glue or nails:
Engineered wood can be nailed or glued down, or comes in tongue-and-groove planks that are glued together to form a floating floor.
He pointed out the floating floor—a laminate hardwood floor that rests on a layer of foam.
Floating floors are commonly used where existing floorboards are basically sound, but not in good enough repair to sand and seal.
I have a floating floor in my current house and the only time I notice it is when I walk past the Welsh dresser and the plates rattle slightly.