1. most full of or covered with broken fragments of stone, brick, or concrete
Usage: superlative form of rubbly

Examples

• The rubbliest section of the old wall crumbled first during the earthquake.
• After the demolition, this was the rubbliest part of the construction site.
• The rubbliest areas of the ancient ruins required the most careful excavation.
• Workers avoided the rubbliest corner of the building where loose stones posed a danger.
• The rubbliest terrain made hiking through the quarry particularly challenging.