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 The agreement is no longer valid under international law.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

After proving that the woman’s card was valid, the officers apologized. Char Adams,, "White Man Who Called Cops on Black Mom for Using Local Pool Loses Job Over 'Terrible Incident'," 10 July 2018 The deal is in honor of Postmates adding another 300 Chipotle locations and is valid through Monday, July 16. Lisa Marie Segarra, Fortune, "Postmates Just Expanded to 100 More Cities," 10 July 2018 The city ID cards, issued through a program called IDNYC, are only valid with city agencies like the Police Department, and they cannot be used, for example, to board a plane or to purchase alcohol. Zoe Greenberg, New York Times, "The IDs Were Meant to Protect Immigrants. Are They a Liability?," 10 July 2018 The campaign will need nearly 260,000 valid voters' signatures to be certified for the ballot. Phuong Le, The Christian Science Monitor, "Carbon fee measure poised for Washington State ballot," 3 July 2018 The disability community’s concerns are valid, and have started a necessary conversation about who benefits—and who suffers—from efforts to clean up the ocean. Emily Atkin, The New Republic, "Critics of Starbucks’ Straw Ban Are Missing the Point," 12 July 2018 Not valid with the regular 10 percent military discount. Kelly Tyko, ajc, "Oorah! Where active military, vets can save on Independence Day," 1 July 2018 Such complaints are valid, but the picture is lopsided. The Economist, "America Inc and the rage against Beijing," 28 June 2018 Ballot papers carrying a watermark but not the ballot box committee's official stamp will be considered valid, something that led to allegations of fraud during last year's referendum. Zeynep Bilginsoy, Fox News, "A look at dual elections in Turkey testing Erdogan's power," 22 June 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

8 Oct 2018

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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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