Lumber means wood that people cut and use for building or making furniture. It is wood ready to be used in construction.
The house was built with strong lumber.
We need lumber to make a table.
As a verb, lumber means to walk in a slow, heavy, and clumsy way. It often makes noise and looks awkward.
He lumbered through the thick snow.
The bear lumbered across the forest floor.
To lumber something means to fill or block it with things that make it heavy or slow. It can also mean to burden someone.
The old furniture lumbered the small room.
He lumbered his mind with too many worries.
Lumber can mean old things like furniture that are not used but still take up space and mess up the room.
The garage is full of old lumber.
She wants to clear the lumber from the attic.
Lumber can also mean the business of cutting trees and selling wood for use. It is an industry word.
He works in the lumber industry.
The town depends on lumber for money.
Lumber means to move slowly and heavily, often because you carry something heavy. It looks difficult and slow.
They lumbered up the hill with sacks.
The workers lumbered under heavy loads.
