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.

The rest include people who arrived by other illegal means or who came to the UK legally and applied for asylum while holding, or just after holding, a valid visa.

From BBC • Jun. 25, 2026

As he sees it, AI is good at detecting patterns in data, but the patterns that hold firm in a long bull market may not be valid when stocks suddenly go south.

From The Wall Street Journal • Jun. 25, 2026

Those eligible are children born between Jan. 1, 2025, and Dec. 31, 2028, who are U.S. citizens with a valid Social Security number.

From MarketWatch • Jun. 23, 2026

The caption described the bet as “a valid testosterone test”—and the bet would have won.

From The Wall Street Journal • Jun. 21, 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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