1. most marked with smears, stains, or dirty marks; most blurred or unclear
Usage: superlative form of smudgy

Examples

• Her hands were the smudgiest after working in the garden all day.
• The smudgiest window in the house needed a thorough cleaning.
• His notebook was the smudgiest one in the entire class.
• The smudgiest fingerprints were found on the glass door.
• After the art project, the children’s aprons were at their smudgiest.
• The mechanic’s coveralls were the smudgiest I’d ever seen.