1. Something that must be gained in order to gain something else
    Having a decent qualification is a prerequisite to getting a good job in marketing.
  2. In education, a course or topic that must be completed before another course or topic can be started. May be colloquially referred to as a prereq.
    Algebra is typically a prerequisite for physics.


  1. Required as a prior condition of something else; necessary or indispensable.

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