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

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

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

From Science Daily • May 22, 2026

"It's been a strong, strong rally and there are some valid reasons for a pause," said Angelo Kourkafas of Edward Jones.

From Barron's • May 15, 2026

I made the Huangs think it was their idea to get rid of me, that they would be the ones to say the marriage contract was not valid.

From "The Joy Luck Club" by Amy Tan

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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