1. most covered with or full of mud
Usage: superlative form of muddy
2. most unclear or confused in meaning or understanding
Usage: figurative use; superlative form of muddy

Examples

• After the storm, this was the muddiest trail in the park.
• His boots were the muddiest of all the hikers’.
• The pond water looked muddiest near the shore.
• That was the muddiest explanation I’ve ever heard.
• The muddiest part of the debate concerned the budget details.
• Her thinking was at its muddiest when she was tired.