val·​id | \ˈva-ləd \

Definition of valid 

1 : having legal efficacy or force especially : executed with the proper legal authority and formalities a valid contract

2a : well-grounded or justifiable : being at once relevant and meaningful a valid theory

b : logically correct a valid argument valid inference

3 : appropriate to the end in view : effective every craft has its own valid methods

4 of a taxon : conforming to accepted principles of sound biological classification

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Other Words from valid

validity \və-​ˈli-​də-​tē, va-​ \ noun
validly \ˈva-​ləd-​lē \ adverb

Choose the Right Synonym for valid

valid, sound, cogent, convincing, telling mean having such force as to compel serious attention and usually acceptance. valid implies being supported by objective truth or generally accepted authority. a valid reason for being absent a valid marriage sound implies a basis of flawless reasoning or of solid grounds. a sound proposal for reviving the economy cogent may stress either weight of sound argument and evidence or lucidity of presentation. the prosecutor's cogent summation won over the jury convincing suggests a power to overcome doubt, opposition, or reluctance to accept. a convincing argument for welfare reform telling stresses an immediate and crucial effect striking at the heart of a matter. a telling example of bureaucratic waste

Examples of valid in a Sentence

There is no valid reason to proceed with the change. Her objections were completely valid. You make a valid point. You must present valid identification. Their marriage is not legally valid. The agreement is no longer valid under international law.
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Recent Examples on the Web

In effect, Sudan said the lawsuit wasn’t valid because it was sent to the wrong address. Alex Ward, Vox, "Trump’s Justice Department is fighting US terrorist attack victims in the Supreme Court," 8 Nov. 2018 Feeling simply upset, which is still valid, is different than a trauma response. Elly Belle, Teen Vogue, "What You Should Know About Dating a Domestic Abuse Survivor," 26 Oct. 2018 Trump’s attorney said the president never considered himself as a party to the agreement and doesn’t dispute Daniels’ assertion that the contract isn’t valid. Michael Balsamo, The Seattle Times, "Judge tosses Stormy Daniels’ defamation suit against Trump," 16 Oct. 2018 Even if this argument was valid, though, there are plenty of benefits to Obama’s regulation that would warrant keeping it. Avery Thompson, Popular Mechanics, "The Trump Administration Forecasts 7 Degrees Fahrenheit of Global Warming by 2100," 28 Sep. 2018 The deal is valid only in locations where the unlimited gaming option Chuck E.'s Play Pass is available. Mallorie Sullivan,, "Chuck E. Cheese's offering 'Pay Your Age Day' deal after Build-A-Bear chaos," 13 July 2018 Dozier’s death warrant, issued on June 19, is valid through the end of this week. David Montero,, "Nevada execution halted after drug company sues to stop it," 11 July 2018 Customers must verify their identity and eligibility and provide their vehicle's identification number and a valid email address. Meg Jones, Milwaukee Journal Sentinel, "Is your license plate sticker lost or stolen? Now you can get a free replacement online," 17 May 2018 Entries must include a valid email address for the entrant. Union-tribune Rewards,, "Enter to Win Two Tickets to San Diego Legion's Inaugural Rugby Season as well as a gift certificate to Hundred Proof!," 11 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'valid.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of valid

1571, in the meaning defined at sense 1

History and Etymology for valid

borrowed from Middle French or Latin; Middle French valide "in good health, having legal force," borrowed from Latin validus "in good health, robust, potent, having legal authority," adjective derivative from the base of valēre "to have strength, be well" — more at wield

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Last Updated

3 Dec 2018

Look-up Popularity

Time Traveler for valid

The first known use of valid was in 1571

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English Language Learners Definition of valid

: fair or reasonable

: acceptable according to the law


val·​id | \ˈva-ləd \

Kids Definition of valid

1 : having legal force or effect a valid driver's license

2 : based on truth or fact She had a valid excuse for missing practice.

Other Words from valid

validly adverb


val·​id | \ˈva-ləd \

Legal Definition of valid 

1 : having legal efficacy or force a valid license especially : executed with proper authority and form a valid contract a valid search

2 : having a legitimate basis : justifiable a valid reason for terminating the employee

3 : appropriate to the end in view

Other Words from valid

validity \və-​ˈli-​də-​tē \ noun
validly adverb

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More from Merriam-Webster on valid

Rhyming Dictionary: Words that rhyme with valid

Thesaurus: All synonyms and antonyms for valid

Spanish Central: Translation of valid

Nglish: Translation of valid for Spanish Speakers

Britannica English: Translation of valid for Arabic Speakers

Comments on valid

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to enclose within walls

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