marked with streaks or stains

धब्बेदार

English Usage: The painting was smudged after the artist accidentally touched it.

Hindi Usage: चित्रकला धब्बेदार हो गई जब कलाकार ने गलती से इसे छू लिया।

having a blurred or unclear appearance

धुंधला

English Usage: The smudged text on the page made it hard to read.

Hindi Usage: पृष्ठ पर धुंधला पाठ पढ़ना मुश्किल था।