Pronunciation: (in'u-suns),[key] —n. 1. the quality or state of being innocent; freedom from sin or moral wrong.
2. freedom from legal or specific wrong; guiltlessness: The prisoner proved his innocence. 3. simplicity; absence of guile or cunning; naiveté.
4. lack of knowledge or understanding.
5. harmlessness; innocuousness.
7. an innocent person or thing.
8. bluet (def. 1).
9. See blue-eyed Mary.