Source : Webster's Revised Unabridged Dictionary (1913)

Full-blown \Full"-blown`\, a.
   1. Fully expanded, as a blossom; as, a full-bloun rose.
      --Denham.

   2. Fully distended with wind, as a sail. --Dryden.

Source : WordNet®

full-blown
     adj 1: fully ripe; at the height of bloom; "a full-blown rose"
            [syn: {matured}]
     2: having or displaying all the characteristics necessary for
        completeness; "a full-blown financial crisis"