'Sinful' in the Bible

For whoever is ashamed of me and my words in this adulterous and sinful generation, the Son of Man will also be ashamed of him when he comes in the glory of his Father with the holy angels."

And [when he] saw [it], Simon Peter fell down at Jesus' knees, saying, "Depart from me, Lord, because I am {a sinful man}!"

For when we were in the flesh, sinful desires were working through the law in our members, to bear fruit for death.

Therefore, [did that which is] good become death to me? May it never be! Rather [it was] sin, in order that it might be recognized [as] sin, producing death through [what is] good for me, in order that sin might become sinful to an extraordinary degree through the commandment.

For what [was] impossible for the law, in that it was weak through the flesh, God [did]. [By] sending his own Son in the likeness of sinful flesh and concerning sin, he condemned sin in the flesh,