What does "blown" mean?

Blown: Stale; worthless.

Additional senses

  1. 2.Out of breath; tired; exhausted. "Their horses much blown." Sir W. Scott.
  2. 3.Covered with the eggs and larvæ of flies; fly blown.
  3. 4.Opened; in blossom or having blossomed, as a flower. Shak.

Sources