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Meaning of “valid” in the English Dictionary

"valid" in British English

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validadjective

uk   /ˈvæl.ɪd/  us   /ˈvæl.ɪd/
B2 based on ​truth or ​reason; ​able to be ​accepted: a valid ​argument/​criticism/​reason My way of ​thinking might be different from yours, but it's ​equally valid.
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B2 A ​ticket or other ​document is valid if it is ​based on or used ​according to a set of ​officialconditions that often ​include a ​timelimit: My ​passport is valid for another two ​years.
having ​legalforce: Is this ​contract/​ticket/​agreement still valid?

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validity
noun [U] uk   /vəˈlɪd.ə.ti/  us   /vəˈlɪd.ə.t̬i/
C2 This ​researchseems to give/​lend some validity to the ​theory that the ​drug might ​causecancer.
validly
adverb uk   /ˈvæl.ɪd.li/  us   /ˈvæl.ɪd.li/
(Definition of valid from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"valid" in American English

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validadjective

 us   /ˈvæl·ɪd/
based on ​truth or ​reason; ​able to be ​accepted: The ​money was gone, and the only valid ​conclusion was that someone had ​stolen it.
A valid ​document is ​legallyacceptable, usually because it has been done ​according to ​officialrules: You must have a valid driver’s ​license to ​drive a ​car.
validity
noun [U]  us   /vəˈlɪd·ɪ·t̬i/
Some ​experts questioned the validity of the president’s ​ideas.
validly
adverb  /ˈvæl·ɪd·li/
(Definition of valid from the Cambridge Academic Content Dictionary © Cambridge University Press)

"valid" in Business English

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validadjective

uk   us   /ˈvælɪd/
a valid ​ticket, ​document, ​agreement, etc. is ​legal and can be ​officiallyaccepted, usually for a particular ​period of ​time: Is this ​ticket still valid? A ​creditcard is not usually ​accepted as a valid ​form of I.D. Applicants must be in ​possession of a valid ​passport.valid for 6 months, a year, etc. Permits are valid for a ​year. The ​court decided ​shareholders had a valid ​claim against the Chairman for his ​part in the company's downfall.
IT valid ​data or details are ​accepted by a ​computersystem because they are ​correct
that can be ​accepted as being ​true or ​reasonable: The ​points she made were perfectly valid.
validly
adverb
Make sure that your ​companydocuments have been validly ​signed.
(Definition of valid from the Cambridge Business English Dictionary © Cambridge University Press)
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“valid” in British English

“valid” in American English

“valid” in Business English

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