prerequisite

/ˌpriːˈrɛkwɪzɪt/
noun
  1. Something that is required or necessary as a prior condition for something else to happen or exist.
    • Passing the basic math test is a prerequisite for taking calculus.
    • Good communication skills are a prerequisite for a career in sales.
    • A college degree is often a prerequisite for many professional jobs.
Antonyms
adjective
  1. Required as a prior condition.
    • A prerequisite requirement for the trip is a valid passport.
    • The prerequisite training must be finished before operating the machinery.
    • Students must complete the prerequisite courses before the advanced seminar.
Antonyms
What does "prerequisite" mean? | whatsthatwordmean | whatsthatwordmean