1. Heavy, thick, or solid in appearance; lacking grace or elegance in form or movement.
Usage: informal
2. Dull or stupid in manner or intellect; lacking sensitivity or refinement.
Usage: informal; derogatory

Examples

• The clumpish furniture made the small room feel even more cramped.
• His clumpish movements on the dance floor drew amused glances from the other guests.
• She found his clumpish attempts at humor rather tiresome.
• The clumpish design of the old building contrasted sharply with the sleek modern structures nearby.
• He walked with clumpish, heavy steps down the hallway.
• The clumpish character in the novel provided comic relief throughout the story.