1. moved in a slow, heavy, awkward way
Usage: past tense of lumber
2. cut down trees for wood
Usage: past tense of lumber
3. burdened or encumbered someone with something unwanted
Usage: past tense of lumber; British English

Examples

• The bear lumbered through the forest.
• The old truck lumbered down the dirt road.
• They lumbered the entire hillside last winter.
• The company lumbered thousands of acres.
• She was lumbered with all the extra work.
• He got lumbered with babysitting duties again.
• The elephant lumbered toward the watering hole.