* Adjective: Describing something that has spots or marks. Example: "The speckled frog sat on a lily pad."
* Verb (past participle): Indicating something has been covered with spots or marks. Example: "The sky was speckled with stars."
* Noun: A rare usage, referring to a mark or spot itself. Example: "The speckled on the fruit was a sign of its ripeness."
To determine the correct part of speech, you need to look at its function in the sentence.