1.Whole; unbroken; unharmed; free from flaw, defect, or decay; perfect of the kind; as, sound timber; sound fruit; a sound tooth; a sound ship.
2.Healthy; not diseased; not being in a morbid state; said of body or mind; as, a sound body; a sound constitution; a sound understanding.
3.Firm; strong; safe. "The brasswork here, how rich it is in beams, And how, besides, it makes the whole house sound."
4.Free from error; correct; right; honest; true; faithful; orthodox; said of persons; as, a sound lawyer; a sound thinker. "Do not I know you a favorer Of this new seat? Ye are nor sound."
5.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. "Hold fast the form of sound words, which thou hast heard of me."
6.Heavy; laid on with force; as, a sound beating.
7.Undisturbed; deep; profound; as, sound sleep.
8.Founded in law; legal; valid; not defective; as, a sound title to land. Note: Sound is sometimes used in the formation of self-explaining compounds; as, sound-headed, sound-hearted, sound-timbered, etc.
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