Definition of: superstition

(s′pər·stish′ən) noun
1. A belief founded on irrational feelings, especially of fear, and marked by credulity; also, any rite or practice inspired by such belief.
2. Specifically, a belief in a religious system regarded (by others than the believer) as without reasonable support; also, any of its rites.
3. Credulity regarding or reverence for the occult or supernatural, as belief in omens, charms, and signs; loosely, any unreasoning or unreasonable belief or impression.
4. Obs. Undue scrupulousness. See synonyms under FANATICISM. [<OF <L superstitio, -onis excessive fear of the gods, amazement, dread <superstare <super- over + stare stand still]