1. most full of or covered with silt (fine particles of earth and sand carried by water)
Usage: superlative form of silty

Examples

• The siltiest part of the river was near the delta where it emptied into the sea.
• After the flood, the siltiest fields required extensive cleanup before planting.
• The siltiest water samples came from the construction site runoff.
• Engineers identified the siltiest section of the harbor for dredging.
• The siltiest pond water made it impossible to see the bottom.
• Farmers avoided the siltiest areas when selecting locations for wells.