valid

The definition of valid is something effective, legally binding or able to withstand objection.

(adjective)

  1. An example of valid is a driver's license that hasn't expired.
  2. An example of valid is someone giving evidence that proves an argument.

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See valid in Webster's New World College Dictionary

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

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

Related Forms:

See valid in American Heritage Dictionary 4

adjective
  1. Well grounded; just: a valid objection.
  2. Producing the desired results; efficacious: valid methods.
  3. Having legal force; effective or binding: a valid title.
  4. Logic
    a. Containing premises from which the conclusion may logically be derived: a valid argument.
    b. Correctly inferred or deduced from a premise: a valid conclusion.
  5. Archaic Of sound health; robust.

Origin:

Origin: French valide

Origin: , from Old French

Origin: , from Latin validus, strong

Origin: , from valēre, to be strong; see wal- in Indo-European roots

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Related Forms:

  • va·lidˈi·ty, valˈid·ness noun
  • valˈid·ly adverb

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