1. superlative form of clay; containing the most clay or having the most clay-like qualities
Usage: superlative degree

Examples

• The clayiest soil in the garden makes it difficult to dig.
• This region has the clayiest deposits in the entire valley.
• The clayiest part of the riverbed is exposed during dry season.
• Her pottery wheel works best with the clayiest mixture.
• The clayiest layer of earth was perfect for making bricks.