Meaning of the Sanskrit Word: nirapatrapah

  nirapatrapaḥ—shameless    SB 4.2.10, SB 6.2.34
  nirapatrapaḥ—(although you do not know what you are doing, you are executing sinful activities) without shame.    SB 6.5.38

Can't find any compound Sanskrit words containing nirapatrapah.