( a. )
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.
( a. )
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.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012