DictionarysuperstitiousBelief in omens and luck
adjective

superstitious

soo-pur-STISH-us/ˌsuːpərˈstɪʃəs/

Believing in or based on unfounded ideas about omens, luck, or supernatural influences.

The superstitious woman tosses spilled salt over her shoulder to avert bad luck.

An older woman reacts to spilled salt by anxiously tossing a pinch over her left shoulder, depicting a recognizable ritual intended to ward off bad luck.
Etymology

Latin superstitiosus expressed dread of the supernatural. In English, the adjective came to describe not just beliefs involving magic or supernatural powers, but also the people who hold or practise them.

In context

Enhanced Public Domain32:19
old Heroes and Kings who had lived in early times and had acquired a reputation for Supernatural powers by the fame of their exploits exaggerated in descending by tradition in superstitious times
Alexander the Great Biography (Audiobook)

More examples

  • He was superstitious about changing his lucky shoes.
  • The story explores a superstitious belief about mirrors.
  • She dismissed the warning as superstitious nonsense.

Forms

superstitious

Similar words

credulous
More broadly means too ready to believe unsupported claims.
irrational
Irrational is broader and need not involve belief in supernatural luck or omens.