- a belief or notion, not based on reason or knowledge, in or of the ominous significance of a particular thing, circumstance, occurrence, proceeding, or the like.
- a system or collection of such beliefs.
- a custom or act based on such a belief.
- irrational fear of what is unknown or mysterious, especially in connection with religion.
- any blindly accepted belief or notion.
- irrational belief usually founded on ignorance or fear and characterized by obsessive reverence for omens, charms, etc
- a notion, act or ritual that derives from such belief
- any irrational belief, esp with regard to the unknown
