1. decorated or adorned excessively; having too much ornamentation or embellishment
Usage: informal; often used critically to suggest poor taste or excessive decoration

Examples

• The ballroom looked overdecked with too many garlands and lights.
• Her outfit was overdecked with jewelry and accessories.
• The wedding cake seemed overdecked with elaborate fondant flowers.
• The Christmas tree was overdecked to the point of looking cluttered.
• The interior designer warned against making the space overdecked and busy.