consuetudinary

/ˌkɑnswɪˈtudəˌnɛri/
adjective
  1. Same as consuetudinal; relating to or based on custom.
    • In consuetudinary law, precedent matters more than written codes.
    • The consuetudinary practices of the tribe were recorded by anthropologists.
    • Their consuetudinary rituals marked the changing of the seasons.
Antonyms
noun
  1. A book or collection of customs, especially those of a monastery, church, or legal system.
    • The monastery's consuetudinary detailed the daily schedule of prayers and work.
    • Medieval scholars studied the consuetudinary to understand local laws.
    • The librarian found an old consuetudinary in the archive, listing guild traditions.
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