Val"id (?), a. [F. valide, F. validus strong, from valere to be strong. See Valiant.]
Strong; powerful; efficient.
[Obs.] "Perhaps more valid
arms . . . may serve to better us."
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.
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.
© Webster 1913.