1. having knobs or lumps; bumpy or uneven in surface

Examples

• The old tree had a knobby trunk covered in bark.
• His knobby knees stuck out from his shorts.
• The knobby surface of the rock made it difficult to climb.
• She ran her fingers over the knobby texture of the sweater.
• The knobby roots of the ancient oak spread across the ground.
• His knobby fingers gripped the walking stick tightly.