Possible Definitions:
1. Invisible (a.) Incapable of being seen; not perceptible by vision; not visible.
2. Invisible (n.) An invisible person or thing; specifically, God, the Supreme Being.
3. Invisible (n.) A Rosicrucian; -- so called because avoiding declaration of his craft.
4. Invisible (n.) One of those (as in the 16th century) who denied the visibility of the church.
