ratify
Americanverb (used with object)
-
to confirm by expressing consent, approval, or formal sanction.
to ratify a constitutional amendment.
- Synonyms:
- approve, corroborate
- Antonyms:
- disapprove, veto
-
to confirm (something done or arranged by an agent or by representatives) by such action.
verb
Other Word Forms
Etymology
Origin of ratify
First recorded in 1325–75; Middle English ratifien, from Middle French ratifier, from Medieval Latin ratificāre, equivalent to Latin rat(us) “calculated” ( see rate 1) + -ificāre -ify
Explanation
To ratify a treaty or contract is to officially approve it by signing or voting for it. You and your brothers and sisters might devise a plan for a family vacation to Disney World, but it would need to be ratified by your parents. You are most likely to hear the word ratify when talking about laws. In the U.S., Congress writes bills, but they need to be ratified before they become law. An amendment to the U.S. Constitution must be ratified by three-fourths of the states, either passed by the state legislatures or by state conventions.
Vocabulary lists containing ratify
The Vocabulary.com Top 1000
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American History I
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The Tragedy of Macbeth
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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.
"So I think we are coming to good solutions that we are going to ratify hopefully today, in order to evolve, because it's only three races in."
From BBC • Apr. 20, 2026
Sir Keir said this year's summit "will not just ratify existing commitments made at last year's summit" but would be "more ambitious".
From BBC • Apr. 1, 2026
If optimists are right, and tariff effects fade while services inflation also moderates, expect the coming months to ratify CPI’s more sanguine picture.
From The Wall Street Journal • Mar. 9, 2026
This week, the Basement’s union voted unanimously to ratify its first working contract, making it the first and only escape room to have a union and operate under a collective bargaining agreement.
From Los Angeles Times • Mar. 6, 2026
Dad began a lecture, pausing often so Mother could ratify his remarks.
From "Educated" by Tara Westover
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
