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View synonyms for valid

valid

[ val-id ]

adjective

  1. sound; just; well-founded:

    a valid reason.

  2. producing the desired result; effective:

    a valid antidote for gloom.

  3. having force, weight, or cogency; authoritative.

    Synonyms: cogent, substantial

  4. legally sound, effective, or binding; having legal force:

    a valid contract.

  5. Logic. (of an argument) so constructed that if the premises are jointly asserted, the conclusion cannot be denied without contradiction.

    Synonyms: convincing, logical

  6. Archaic. robust; well; healthy.


valid

/ ˈvælɪd; vəˈlɪdɪtɪ /

adjective

  1. having some foundation; based on truth
  2. legally acceptable

    a valid licence

    1. having legal force; effective
    2. having legal authority; binding
  3. having some force or cogency

    a valid point in a debate

  4. 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
  5. archaic.
    healthy or strong
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Derived Forms

  • validity, noun
  • ˈvalidly, adverb
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Other Words From

  • valid·ly adverb
  • valid·ness noun
  • non·valid adjective
  • non·valid·ly adverb
  • non·valid·ness noun
  • pre·valid adjective
  • pre·valid·ly adverb
  • quasi-valid adjective
  • quasi-valid·ly adverb
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Word History and Origins

Origin of valid1

First recorded in 1565–75; from Latin validus “strong,” from val(ēre) “to be strong” + -idus -id 4; prevail ( def )
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Word History and Origins

Origin of valid1

C16: from Latin validus robust, from valēre to be strong
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Example Sentences

The judge ruled that he had 14 days to file a writ of habeas corpus to determine whether the state’s detention was valid; if approved, a new hearing would be scheduled.

She was nine years old and she had a valid U.S. passport, for crying out loud.

From Salon

At this year's Tory conference in Birmingham, she made headlines with a claim that not all cultures were "equally valid".

From BBC

I had made a lot of safety assumptions that weren’t valid.

There are valid alternatives to getting a four-year degree, but for the U.S. to thrive and for students to be all they can be, the emphasis on college should remain.

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