prerequisite

[pri-rek-wuh-zit, pree-] /prɪˈrɛk wə zɪt, pri-/
adjective
1.
required beforehand:
a prerequisite fund of knowledge.
noun
2.
something prerequisite:
A visa is still a prerequisite for travel in many countries.
Origin
1625-35; pre- + requisite
Can be confused
perquisite, prerequisite.
Synonyms
2. requirement, requisite, essential, precondition.
Examples from the web for prerequisite
  • This class is not a prerequisite to anything.
  • About 50 percent of special agents have previous law enforcement experience, but it's not a prerequisite.
  • The value 3.2 for pi was a prerequisite for making that formula plausible.
  • Writing enables the transmission of ideas over vast distances of time and space and is a prerequisite of complex civilization.
  • Such an interview is a prerequisite to employment.
  • The prerequisite is filing an estate tax return when the spouse dies, even if no tax is owed.
  • If complete understanding of issues was a prerequisite for elections, there would be few.
  • Students are asked to support a position on whether failure is a prerequisite for success.
  • Proficiency in Hindi is an advantage but not a prerequisite for the role.
  • Fluent English is a prerequisite.
British Dictionary definitions for prerequisite

prerequisite

/priːˈrɛkwɪzɪt/
adjective
1.
required as a prior condition
noun
2.
something required as a prior condition
Word Origin and History for prerequisite

1630s (n.) "something required beforehand," 1650s (adj.), "required beforehand," both from pre- + requisite.