Source : Webster's Revised Unabridged Dictionary (1913)

Burglarious \Bur*gla"ri*ous\, a.
   Pertaining to burglary; constituting the crime of burglary.

         To come down a chimney is held a burglarious entry.
                                                  --Blackstone.

Source : WordNet®

burglarious
     adj : involving or resembling burglary; "burglarious tools"