Definitions

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.

District Judge Darrin Gayles, based in Miami, Fla., ruled Trump hadn’t made a valid legal claim that he was defamed by an article about a letter to financier Jeffrey Epstein bearing Trump’s name.

From The Wall Street Journal • Apr. 13, 2026

Looking at a more recent era, there is a valid argument McIlroy is the best player of his generation globally.

From BBC • Apr. 13, 2026

While that is a valid objection, especially for calculations of the 1-year real yield, it seems unlikely that the war will have a significant impact on average inflation over the next decade.

From MarketWatch • Apr. 8, 2026

Until now, a valid birth certificate had been sufficient to establish a person’s U.S. citizenship.

From Los Angeles Times • Apr. 1, 2026

Dina has wanted to get rid of Molly for a while, and now she’s got a valid excuse.

From "Orphan Train" by Christina Baker Kline

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"

Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!