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
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The agreement is no longer valid under international law.
Origin and Etymology of valid
borrowed from Medieval French or Latin; Medieval 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: 1571
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
What made you want to look up valid? Please tell us where you read or heard it (including the quote, if possible).