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Showing results for prerequisite.
Definitions

prerequisite

[pri-rek-wuh-zit, pree-] / prɪˈrɛk wə zɪt, pri- /
ADJECTIVE
necessary
Synonyms
STRONG
essential expedient imperative mandatory requisite
WEAK
called-for important indispensable necessitous needful obligatory of the essence required vital
Antonyms
STRONG
inessential optional secondary unnecessary voluntary
NOUN
condition, necessity
Synonyms
STRONGEST
essential must precondition qualification requirement requisite
STRONG
imperative must-have need postulate
WEAK
sine qua non
Antonyms
STRONGEST
nonessential
WEAK
extra option

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

"However, only in a few cases have the occurrences been thoroughly quantified, which is a prerequisite for classifying them as actual deposits," it stressed.

From Barron's • Feb. 14, 2026

He said understanding it is a prerequisite for success.

From The Wall Street Journal • Jan. 31, 2026

Today, earning at least six figures has become a prerequisite for most home buyers in the U.S.

From MarketWatch • Jan. 31, 2026

In U.S. politics, authenticity is treated as a prerequisite, despite it never really being defined.

From Salon • Jan. 21, 2026

They remind us that humans have evolved to wonder, that understanding is a joy, that knowledge is prerequisite to survival.

From "Cosmos" by Carl Sagan

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.