2. Related to the Bible
a. an image of a deity other than God.
b. the deity itself.
3. any person or thing regarded with blind admiration and adoration (e.g. James Blunt is idolized by people because he sings well)
4. a mere image or semblance of something or someone.
5. a figment of the mind; fantasy.
6. a false conception
Adapted from dictionary.com