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ratify

verb

rat·​i·​fy ˈra-tə-ˌfī How to pronounce ratify (audio)
ratified; ratifying
Synonyms of ratifynext

transitive verb

: to approve and sanction formally : confirm
ratify a treaty
ratifier noun

Examples of ratify in a Sentence

A number of countries have refused to ratify the treaty. Lincoln's home state of Illinois was the first to ratify the 13th Amendment to the U.S. Constitution, which provided for the abolition of slavery.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The Fourteenth Amendment, ratified 11 years later, was drafted to repudiate that decision and to prevent the creation of a hereditary class of noncitizens within the United States. James Sample, ABC News, 5 Dec. 2025 Lifting whole phrases from the Declaration of Independence, Lincoln elevated 1776 over 1787, when the founders framed the Constitution, or 1791, when the states ratified the Bill of Rights, and placed human equality on a par with individual liberty in the pantheon of American values. Literary Hub, 5 Dec. 2025 Romuld urged Australia to sign and ratify the UN Treaty on the Prohibition of Nuclear Weapons. Kapil Kajal, Interesting Engineering, 5 Dec. 2025 Moscow's State Duma ratified the same ahead of Putin's India visit. CBS News, 5 Dec. 2025 See All Example Sentences for ratify

Word History

Etymology

Middle English ratifien, from Anglo-French ratifier, from Medieval Latin ratificare, from Latin ratus determined, from past participle of reri to calculate — more at reason entry 1

First Known Use

14th century, in the meaning defined above

Time Traveler
The first known use of ratify was in the 14th century

Cite this Entry

“Ratify.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ratify. Accessed 8 Dec. 2025.

Kids Definition

ratify

verb
rat·​i·​fy ˈrat-ə-ˌfī How to pronounce ratify (audio)
ratified; ratifying
: to give legal or official approval to
ratify a treaty

Legal Definition

ratify

transitive verb
rat·​i·​fy ˈra-tə-ˌfī How to pronounce ratify (audio)
ratified; ratifying
: to make valid or effective
especially : to adopt or affirm (as the prior act or contract of an agent) by express or implied consent with the effect of original authorization
unable to rescind the contract because he ratified it by accepting the benefits
compare reform
ratification noun
ratifier noun

More from Merriam-Webster on ratify

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