Beyond the limits of concealment, confinement, privacy,
   constraint, etc., actual of figurative; hence, not in concealment,
   constraint, etc., in, or into, a state of freedom, openness,
   disclosure, publicity, etc.; as, the sun shines out; he laughed out, to
   be out at the elbows; the secret has leaked out, or is out; the disease
   broke out on his face; the book is out.