( superl. )
Founded in truth or right; supported by justice; not to be overthrown on refuted; not fallacious; as, sound argument or reasoning; a sound objection; sound doctrine; sound principles.
( superl. )
Founded in truth or right; supported by justice; not to be overthrown on refuted; not fallacious; as, sound argument or reasoning; a sound objection; sound doctrine; sound principles.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012