valid

[val-id] / ˈvæl ɪd /

ADJECTIVE

right, genuine

Synonyms

STRONGEST

accurate authentic binding compelling conclusive credible good lawful legal legitimate logical original persuasive solid true well-founded

WEAK

attested authoritative bona fide cogent confirmed convincing determinative efficacious efficient good-faith in force irrefutable just kosher legit official potent powerful proven pure sound stringent strong substantial telling tested trustworthy ultimate unadulterated unanswerable uncorrupted weighty well-grounded

Antonyms

STRONGEST

counterfeit evil fake false illegal illegitimate illicit improbable invalid unlawful unlikely unreal unreliable untrustworthy wrong

WEAK

unacceptable unsound

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Shortly after that, Butts wrote directly to Kroenke seeking to ease tensions with Hollywood Park, where SoFi Stadium is located, and questioned whether a prior development agreement was still valid.

From Los Angeles Times • Jun. 9, 2026

In order to assess whether Trump’s lawsuit was valid, she ordered his personal attorneys and the DOJ to provide written explanations to the court detailing whether they were in conflict with each other.

From Slate • Jun. 4, 2026

A diagnosis can only be made by an educational psychologist who is registered with the Health and Care Professions Council or a specialist teacher with a valid registration.

From BBC • Jun. 3, 2026

Third, publish research that meets the criteria of relevant research—studies that answer questions that are timely, describe real problems, for which answers aren’t obvious, and for which findings are operationally valid.

From The Wall Street Journal • Jun. 3, 2026

“Passengers ages twelve and over may travel with no adult supervision as long as they have a valid boarding pass.”

From "The Thing About Jellyfish" by Ali Benjamin

Vocabulary lists containing valid

Jim Burke's Academic Vocabulary List

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TEKS ELAR Academic Vocabulary List (5th-7th grades)

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The Real Deal: Synonyms for "True"

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