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valid Definition

valid (val′id)

adjective

  1. having legal force; properly executed and binding under the law
  2. well-grounded on principles or evidence; able to withstand criticism or objection, as an argument; sound
  3. effective, effectual, cogent, etc.
  4. Rare robust; strong; healthy
  5. Logic correctly derived or inferred according to the rules of logic

Etymology: Fr valide < L validus, strong, powerful (in ML, valid) < valere, to be strong: see value

valid Related Forms
val′·idly adverb val′·id·ness noun
valid Synonyms

valid

modif.

  1. Capable of proof

    sound, cogent, logical, conclusive, solid, well-grounded, well-founded, tested, accurate, convincing, telling, correct, determinative, compelling, persuasive, potent, stringent, strong, ultimate, unanswerable, irrefutable.

    Antonyms wrong*, erring*, misleading.

  2. Genuine

    true, original, factual, real, actual, pure, uncorrupted, authentic, confirmed, authoritative, trustworthy, credible, attested, efficient, efficacious, legitimate, adequate, substantial, proved, proven, unalloyed, unadulterated.

    Antonyms false*, fictitious*, counterfeit.

valid applies to that which cannot be objected to because it conforms to law, logic, the facts, etc. a valid criticism, a valid license; sound refers to that which is firmly grounded on facts, evidence, logic, etc. and is therefore free from error a sound method, a sound argument; cogent implies such a powerful appeal to the mind as to appear conclusive cogent reasoning; convincing implies such validity as to persuade or overcome doubts or opposition a convincing performance; telling suggests the power to have the required effect by being forcible, striking, relevant, etc. a telling rejoinder

valid Law Definition

adj

  1. Legally binding, such as a valid agreement.
  2. Having merit, as in, “given the facts presented in this case, it is valid to conclude that she did what she was charged with having done.”
valid Usage Examples

Modifying Another Word

  • scientifically: During the workshop the students will visit their local woodland and carry out a Biometry Study using the scientifically valid GLOBE Protocols.
  • equally: Don't you see that the converse is equally valid.
  • statistically: However, the material does not give a statistically valid picture of the state of accident investigations comparing nations.
  • perfectly: Many people have raised with me perfectly valid concerns about how the questions were drafted.
  • universally: Whether such low-Q 2 partons are universally valid could be tested using e.g. low-Q 2 F 2 c data.

Preposition: for

  • duration: You must ensure that you are in possession of a full 10-year passport valid for the duration of your holiday.
  • month: I have a referral, which is valid for 12 months to do my 4 dives.
  • departure: This offer is only valid for departures 1st March to 30th March 2007 and is based on a minimum of 2 adults.
  • travel: Eurostar trains run from London Waterloo and Ashford to Brussels and are valid for onward travel to any Belgian Railroad station.
  • period: Upon renewal, warrants issued on serious crime grounds are valid for a further period of three months.
  • journey: They are valid for one journey only, and cannot be used to return to the United Kingdom.

Modifies a noun

  • passport: A valid passport or ID card with a recent photo.
  • xhtml: The function is great for generating valid XHTML and semantic code from database content.
  • license: Full Flying Membership of the Club is open to anyone holding a valid pilots license.
  • reason: There is no valid reason for engaging in this practice.
  • certificate: For private motor vehicles a valid test certificate is required on the third anniversary of its first registration.
  • ticket: You can refund valid bonus ticket in the CSA office.

Used with adjective complement

  • remain: Some remain valid despite a lack of interest by their owners to actually complete them.
  • consider: Only hospital nursing results could therefore be considered valid.

Preposition: in

  • conjunction: Not valid in conjunction with any other offer, promotion or concession.

Browse dictionary entries near valid

  1. ‹ valiantly
  2. ‹ valiant
  3. ‹ Valhalla
  4. ‹ valgus
  5. ‹ valetudinarian
  6. ‹ valet parking
  7. ‹ valet de chambre
  8. ‹ valet
  9. ‹ Valerie
  10. ‹ valeric acid
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