valid

adjective

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

Other Words from valid Synonyms & Antonyms Choose the Right Synonym More Example Sentences Learn More about valid

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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 The agreement is no longer valid under international law.

Recent Examples on the Web

Applicants must be at least 21 years of age and a resident of the continental U.S. or Canada, with a valid passport. — Elizabeth Gulino, House Beautiful, "Behr Paint Wants To Pay You $10,000 to Travel the World and Name New Paint Colors," 25 Apr. 2019 Basically, the feelings around Rebecca can best be described by @Sandifer1946's epically quirky tweet: In all seriousness, the fans do raise a valid point. — Kayla Keegan, Good Housekeeping, "'This Is Us' Fans Are Enraged With Rebecca After Last Night’s New Episode," 13 Feb. 2019 From April 26 to June 12, the third party was using valid usernames and passwords to gain access to the customers' accounts. — Caroline Blackmon, Detroit Free Press, "Macy's warns customers of online data breach," 6 July 2018 Damschen argues that so much time has passed that North Dakota’s support is no longer valid. — James Macpherson, The Seattle Times, "North Dakota moves to nullify its 1975 Equal Rights support," 29 Mar. 2019 Teenagers are flocking to ubiquitous electric scooter services like Bird and Lime, ignoring requirements that riders be 18 or older, with valid driver’s licenses. — Recode Staff, Recode, "Recode Daily: Is the podcast bubble bursting?," 24 Sep. 2018 The car was released on the scene to a valid driver. — Thomas Jewell, cleveland.com, "Driver sent to back of courtroom: Bentleyville Police Blotter," 11 May 2018 The central dogma of maternal inheritance of mtDNA remains valid. — Cathleen O'grady, Ars Technica, "Plot twist: Mitochondrial DNA can come from both parents," 28 Nov. 2018 But after reviewing their own rule, staffers concluded a license remains valid until the appeal is finished. — Arizona Republic, "The state took her foster license away. But the kids stayed with her. Why?," 19 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.