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.

They need to be U.S. citizens with a valid Social Security number.

From MarketWatch • May 28, 2026

A 65-year-old British woman named Karen Newman traveling on a valid tourist visa was arrested in September 2025 at the Montana border, shackled and held for six weeks in an ICE detention center.

From Los Angeles Times • May 27, 2026

As of 1 April this year, 838,992 young people, or about 15% of Scotland's entire population, were in possession of a valid NEC pass.

From BBC • May 25, 2026

The episode aired in 1948, but the idea is strangely valid today, except that it’s Elon Musk squaring off with himself.

From Barron's • May 24, 2026

Most likely, both the gossip theory and the there-is-a-lion-near-the-river theory are valid.

From "Sapiens: A Brief History of Humankind" by Yuval Noah Harari

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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