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.

All supporters required was a valid passport and personalised card known as a 'Fan ID' to prove they were travelling for the football.

From BBC • Jun. 9, 2026

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

Asked if they could have eaten once they got home, he said, “That is a valid complaint there. I would agree with that.”

From The Wall Street Journal • Jun. 5, 2026

O'Dwyer deferred to Lloyd as the company owner to decide the final route but raised valid concerns, such as the drop over the weir.

From BBC • Jun. 5, 2026

“Hello” wasn’t a valid command in BASIC, the only language the ancient computer understood.

From "Ready Player One: A Novel" by Ernest Cline

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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