- The definition of lumbering is a heavy or clumsy movement.
An example of lumbering is an elephant climbing a muddy hill; a lumbering elephant.
- Lumbering is defined as cutting down trees and turning them into pieces of wood used for building.
An example of lumbering is using a chain saw to cut down trees which will eventually be made into 2x4s.
- moving heavily, clumsily, or noisily