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.
That Iraq border was not officially ratified by treaty until 1974. Melik Kaylan, Forbes.com, 22 Jan. 2026 That would have been on top of a 15% tariff specified by a trade agreement with the European Union that has yet to be ratified. Stan Choe, Fortune, 22 Jan. 2026 Ku Klux Klan Act The Civil War-era KKK Act passed in 1871 to further protect the rights listed in the Fourteenth Amendment, which had been ratified three years earlier. Cindy Von Quednow, CNN Money, 21 Jan. 2026 That would have been on top of a 15% tariff specified by a trade agreement with the European Union that has yet to be ratified. Stan Choe, Los Angeles Times, 21 Jan. 2026 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

Browse Nearby Words

Cite this Entry

“Ratify.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ratify. Accessed 25 Jan. 2026.

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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