1. in a way that is heavy, bulky, or awkward to carry or move
2. in a way that is slow, complicated, or inefficient; with difficulty or burden

Examples

• The old equipment moved cumbersomely across the warehouse floor.
• The bureaucratic process cumbersomely required multiple approvals before any decision could be made.
• She carried the large suitcase cumbersomely down the narrow stairs.
• The system operated cumbersomely, slowing down productivity.
• He cumbersomely explained the complex theory using outdated terminology.
• The team cumbersomely navigated through the dense forest with their heavy gear.