The meaning of VALID is having legal efficacy or force; especially : executed with the proper legal authority and formalities. How to use valid in a sentence. Synonym Discussion of Valid.

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

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

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

(of an inference or argument) having premises and conclusion so related that whenever the former are true the latter must also be true, esp (formally valid) when the inference is justified …

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 …

Dec 20, 2025 · Adjective valid (comparative more valid, superlative most valid) Well-grounded or justifiable, pertinent.

Master the word "VALID" in English: definitions, translations, synonyms, pronunciations, examples, and grammar insights - all in one complete resource.

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 The agreement is no longer valid under international law.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 …