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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.

That’s as valid an issue as the scientific progress that’s being made.

From Salon • Apr. 7, 2026

Quiggin was eventually granted a temporary emergency entry permit, valid only for the dates of his travel, with the requirement to apply for a full visa in the future.

From BBC • Apr. 2, 2026

“Even if that sounds unusual to the crisis center worker, it is still a valid and acceptable answer.”

From Los Angeles Times • Apr. 1, 2026

It’s not clear whether that document was legally valid.

From MarketWatch • Mar. 30, 2026

Or should the grade for class participation be waived because the absence was a valid one?

From "Friday Night Lights: A Town, A Team, And A Dream" by H.G. Bissinger