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.

Parra learned that Customs and Border Protection had emailed a reservation but never purchased the tickets because she didn’t send complete, valid travel documents.

From The Wall Street Journal • May 23, 2026

If time or space is reversed in their equations, the laws remain valid.

From Science Daily • May 22, 2026

A player can be fined up to £50,000 if they do not appear at all - unless a valid reason has been communicated to the governing bodies.

From BBC • May 22, 2026

Some of the online judgment may seem unkind, but in today’s market, the criticism may be valid.

From MarketWatch • May 13, 2026

It was a possibility too valid to dismiss.

From "In Cold Blood" by Truman Capote

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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