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valid
WordNet 2.0
  • still legally acceptable
  • "the license is still valid"
  • well grounded in logic or truth or having legal force
  • "a valid inference"
  • "a valid argument"
  • "a valid contract"
  • "a valid license"
valid
Webster's Revised Unabridged Dictionary (1913)
  • 1. Strong; powerful; efficient. [Obs.] "Perhaps more valid arms . . . may serve to better us." Milton.

    2. Having sufficient strength or force; founded in truth; capable of being justified, defended, or supported; not weak or defective; sound; good; efficacious; as, a valid argument; a valid objection.

    "An answer that is open to no valid exception." -- I. Taylor.

    3. (Law) Having legal strength or force; executed with the proper formalities; incapable of being rightfully overthrown or set aside; as, a valid deed; a valid covenant; a valid instrument of any kind; a valid claim or title; a valid marriage.

    Syn. -- Prevalent; available; efficacious; just; good; weighty; sufficient; sound; well-grounded.

 

You will go most safely in the middle.

Ovid
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