shotproof

From shot +‎ -proof.

shotproof (comparative more shotproof, superlative most shotproof)

1. Not penetrable by shot; bulletproof.
2. (hunting) Of quarry, reputedly unable to be shot.
   • 1886, Peter Christen Asbjørnsen, translated by H.L. Brækstad, Folk and Fairy Tales, page 73:

     Well, I didn't know it was that fellow, else I would have had a shot at him at once, before he had time to make himself shot-proof, but I thought it was great fun to watch him.