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 theoryb : 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
validityplay \və-ˈli-də-tē, va-\ noun
validlyplay \ˈva-ləd-lē\ adverb
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The agreement is no longer valid under international law.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 of valid from the Web
The laissez-passer was valid for two weeks, from Dec. 14 to Dec. 28, 2014.
Immigration officials were instructed Thursday not to block anyone with valid travel documents and otherwise eligible to visit the United States.
A valid military ID must be presented at Kings Island to take advantage of this offer.
In the abstract, that’s a perfectly valid critique.
There are plenty of valid reasons why not to double-up in states anymore, but all that really matters is influential SEC leaders don't want to.
Grace-Jones ruled that was not a valid defense and levied a fine.
The Biblioteca Ambrosiana is open to readers 16 and older with a valid ID such as a passport.
But organic shapes or shapes that don't repeat in a regular pattern are also valid tessellations.
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.
Origin and Etymology of 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
First Known Use: 1571See Words from the same year
Synonym Discussion of valid
VALID Defined for English Language Learners
Definition of valid for English Language Learners
: fair or reasonable
: acceptable according to the law
VALID Defined for Kids
Definition of valid for Students
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.
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
validity\və-ˈli-də-tē\ play noun
Seen and Heard
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