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Synonyms

valid

American  
[val-id] / ˈvæl ɪd /

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 British  
/ 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

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.

This week, some Kansas residents received letters from the Division of Vehicles that said their licenses “will no longer be valid,” effective immediately, according to the suit.

From The Wall Street Journal

A BBC check of the online government database at the start of February showed the blue Jaguar driven by Conservative Dave Evans was untaxed and without a valid MOT.

From BBC

"The hurt experienced and the impact felt by the black community is real and deeply valid - words like these carry historical and emotional weight that cannot be ignored," she said.

From BBC

There's so much that he says is valid and worthwhile.

From Barron's

Adeniyi Mobolaji Kayode, who was driving Joshua when their car crashed, has been charged with causing death by dangerous driving, reckless and negligent driving, driving without due care, and driving without a valid driver's licence.

From BBC