'Uncircumcision' in the Bible

but, on the contrary, having seen that I have been entrusted with the good news of the uncircumcision, as Peter with that of the circumcision,

for in Christ Jesus neither circumcision availeth anything, nor uncircumcision, but faith through love working.

And I, brethren, if uncircumcision I yet preach, why yet am I persecuted? then hath the stumbling-block of the cross been done away;

for in Christ Jesus neither circumcision availeth anything, nor uncircumcision, but a new creation;