Required or necessary as a prior condition: Competence is prerequisite to promotion. (adjective)
Something that is prerequisite, as a course that is required prior to taking an advanced course.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "prerequisite" in a sentence
"He said Frelimo had also reneged on promises to provide his former rebel movement with infrastructure support, jeopardising the existence of what he called a prerequisite to democracy - a viable opposition."
"If having contempt for a person or group were the main prerequisite for denying constitutional rights, I'd deny them to the entire Rethuglican Party."
"A deal between Greece and private-sector creditors has been identified as a prerequisite for progress by the European Union and the International Monetary Fund to make their contributions to a second bailout package for Greece totaling €130 billion $168.6billion."