plural prerequisites
: something that you officially must have or do before you can have or do something else : requirement
—often + for or to
Citizenship is a prerequisite for voting.
The introductory course is a prerequisite for the advanced-level courses.
Having good credit is a prerequisite to applying for a loan.
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“Prerequisite.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/prerequisite. Accessed 22 Jun. 2026.
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