valid
Americanadjective
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sound; just; well-founded.
a valid reason.
-
producing the desired result; effective.
a valid antidote for gloom.
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having force, weight, or cogency; authoritative.
- Synonyms:
- cogent, substantial
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legally sound, effective, or binding; having legal force.
a valid contract.
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Logic. (of an argument) so constructed that if the premises are jointly asserted, the conclusion cannot be denied without contradiction.
- Synonyms:
- convincing, logical
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Archaic. robust; well; healthy.
adjective
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having some foundation; based on truth
-
legally acceptable
a valid licence
-
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having legal force; effective
-
having legal authority; binding
-
-
having some force or cogency
a valid point in a debate
-
logic (of an inference or argument) having premises and conclusion so related that whenever the former are true the latter must also be true, esp ( formally valid ) when the inference is justified by the form of the premises and conclusion alone. Thus Tom is a bachelor; therefore Tom is unmarried is valid but not formally so, while today is hot and dry; therefore today is hot is formally valid Compare invalid 2
-
archaic healthy or strong
Other Word Forms
- nonvalid adjective
- nonvalidly adverb
- nonvalidness noun
- prevalid adjective
- prevalidly adverb
- quasi-valid adjective
- quasi-validly adverb
- validity noun
- validly adverb
- validness noun
Etymology
Origin of valid
First recorded in 1565–75; from Latin validus “strong,” from val(ēre) “to be strong” + -idus -id 4; prevail ( def. )
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.
People are trying to make sense of their unhappiness, which is leading them to “making a valid connection between their online lives and their overall psychological state of being, which is not good,” Lembke said.
From Los Angeles Times
It said it had undertaken a review because the site was developed further, and was "satisfied the previous findings remain valid".
From BBC
“There are only a few valid reasons to sell: Your goals changed, the fundamentals changed, you needed liquidity for a higher-priority use, the position size or risk was too high,” she said.
From MarketWatch
No environmental permit or valid exemption was in place at any of the sites, which were also spread across Lancashire, Lincolnshire, North Yorkshire and Rutland.
From BBC
The Foreign Office said it is illegal to enter into the territory without a valid permit, and anyone who does so would be issued with a removal order.
From BBC
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
