VALID definition: 1. based on truth or reason; able to be accepted: 2. A ticket or other document is valid if it is…. Learn more.

May 30, 2026 · 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 …

Valid promotes the secure identification of people, journeys, and transactions. Our physical and digital solutions are dedicated to three ecosystems: ID & Digital Government, Banking & Payment Methods, …

Something that is valid is important or serious enough to make it worth saying or doing. Most designers share the unspoken belief that fashion is a valid form of visual art.

Definition of valid adjective in Oxford Advanced American Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

VALID definition: sound; just; well-founded. See examples of valid used in a sentence.

You must present valid identification. Their marriage is not legally valid. The agreement is no longer valid under international law.

From Longman Business Dictionary val‧id /ˈvælɪd/ adjective a valid document or agreement is legally acceptable, often for a fixed period of time The court ruled that the firm’s patent is valid and …

These adjectives describe assertions, arguments, conclusions, reasons, or intellectual processes that are persuasive because they are well founded. What is valid is based on or borne out by truth or fact …

There are nine meanings listed in OED's entry for the adjective valid, one of which is labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.